125145535125 has 96 divisors (see below), whose sum is σ = 230997626496. Its totient is φ = 60106176000.

The previous prime is 125145535121. The next prime is 125145535213. The reversal of 125145535125 is 521535541521.

It is not a de Polignac number, because 125145535125 - 2² = 125145535121 is a prime.

It is a super-2 number, since 2×125145535125² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125145535121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2574294 + ... + 2622456.

It is an arithmetic number, because the mean of its divisors is an integer number (2406225276).

Almost surely, 2^125145535125 is an apocalyptic number.

125145535125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125145535125 is a deficient number, since it is larger than the sum of its proper divisors (105852091371).

125145535125 is a wasteful number, since it uses less digits than its factorization.

125145535125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48248 (or 48225 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The spelling of 125145535125 in words is "one hundred twenty-five billion, one hundred forty-five million, five hundred thirty-five thousand, one hundred twenty-five".