125543183040 has 1120 divisors, whose sum is σ = 525772684800. Its totient is φ = 28094791680.

The previous prime is 125543183039. The next prime is 125543183041. The reversal of 125543183040 is 40381345521.

125543183040 is a `hidden beast` number, since 1 + 2 + 554 + 31 + 8 + 30 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (125543183039) and next prime (125543183041).

It is a super-2 number, since 2×125543183040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 125543182986 and 125543183004.

It is not an unprimeable number, because it can be changed into a prime (125543183041) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 285975141 + ... + 285975579.

Almost surely, 2^125543183040 is an apocalyptic number.

125543183040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125543183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262886342400).

125543183040 is an abundant number, since it is smaller than the sum of its proper divisors (400229501760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125543183040 is a wasteful number, since it uses less digits than its factorization.

125543183040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 125543183040 in words is "one hundred twenty-five billion, five hundred forty-three million, one hundred eighty-three thousand, forty".