125501265252 has 72 divisors (see below), whose sum is σ = 347076973152. Its totient is φ = 37921046400.

The previous prime is 125501265233. The next prime is 125501265277. The reversal of 125501265252 is 252562105521.

125501265252 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 0 + 126 + 525 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319249 + ... + 594072.

It is an arithmetic number, because the mean of its divisors is an integer number (4820513516).

Almost surely, 2^125501265252 is an apocalyptic number.

125501265252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125501265252 is an abundant number, since it is smaller than the sum of its proper divisors (221575707900).

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

125501265252 is a wasteful number, since it uses less digits than its factorization.

125501265252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913689 (or 913684 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 125501265252 in words is "one hundred twenty-five billion, five hundred one million, two hundred sixty-five thousand, two hundred fifty-two".