125501265253 has 48 divisors (see below), whose sum is σ = 159498326016. Its totient is φ = 96650910720.

The previous prime is 125501265233. The next prime is 125501265277. The reversal of 125501265253 is 352562105521.

It is not a de Polignac number, because 125501265253 - 2⁵ = 125501265221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125501265203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7954893 + ... + 7970653.

It is an arithmetic number, because the mean of its divisors is an integer number (3322881792).

Almost surely, 2^125501265253 is an apocalyptic number.

125501265253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125501265253 is a deficient number, since it is larger than the sum of its proper divisors (33997060763).

125501265253 is a wasteful number, since it uses less digits than its factorization.

125501265253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15974 (or 15961 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 125501265253 in words is "one hundred twenty-five billion, five hundred one million, two hundred sixty-five thousand, two hundred fifty-three".