1252755725136 has 40 divisors (see below), whose sum is σ = 3272648394240. Its totient is φ = 412893271296.

The previous prime is 1252755725113. The next prime is 1252755725141. The reversal of 1252755725136 is 6315275572521.

It is a super-2 number, since 2×1252755725136² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146619760 + ... + 146628303.

It is an arithmetic number, because the mean of its divisors is an integer number (81816209856).

Almost surely, 2^{1252755725136} is an apocalyptic number.

1252755725136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252755725136 is an abundant number, since it is smaller than the sum of its proper divisors (2019892669104).

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

1252755725136 is a wasteful number, since it uses less digits than its factorization.

1252755725136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293248163 (or 293248157 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 51.

The spelling of 1252755725136 in words is "one trillion, two hundred fifty-two billion, seven hundred fifty-five million, seven hundred twenty-five thousand, one hundred thirty-six".