125574000156 has 144 divisors (see below), whose sum is σ = 353715223680. Its totient is φ = 37241400960.

The previous prime is 125574000143. The next prime is 125574000161. The reversal of 125574000156 is 651000475521.

125574000156 is a `hidden beast` number, since 12 + 557 + 40 + 0 + 0 + 1 + 56 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125574000156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5291790 + ... + 5315466.

It is an arithmetic number, because the mean of its divisors is an integer number (2456355720).

Almost surely, 2^125574000156 is an apocalyptic number.

125574000156 is the 189416-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125574000156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176857611840).

125574000156 is an abundant number, since it is smaller than the sum of its proper divisors (228141223524).

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

125574000156 is a wasteful number, since it uses less digits than its factorization.

125574000156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23984 (or 23979 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

Adding to 125574000156 its reverse (651000475521), we get a palindrome (776574475677).

The spelling of 125574000156 in words is "one hundred twenty-five billion, five hundred seventy-four million, one hundred fifty-six", and thus it is an aban number.