125077055501 has 16 divisors (see below), whose sum is σ = 133226756208. Its totient is φ = 117017088000.

The previous prime is 125077055471. The next prime is 125077055503. The reversal of 125077055501 is 105550770521.

It can be written as a sum of positive squares in 8 ways, for example, as 31434935401 + 93642120100 = 177299^2 + 306010^2 .

It is a cyclic number.

It is not a de Polignac number, because 125077055501 - 2¹⁰ = 125077054477 is a prime.

It is a super-2 number, since 2×125077055501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125077055503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2354291 + ... + 2406831.

It is an arithmetic number, because the mean of its divisors is an integer number (8326672263).

Almost surely, 2^125077055501 is an apocalyptic number.

It is an amenable number.

125077055501 is a deficient number, since it is larger than the sum of its proper divisors (8149700707).

125077055501 is a wasteful number, since it uses less digits than its factorization.

125077055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53392.

The product of its (nonzero) digits is 61250, while the sum is 38.

The spelling of 125077055501 in words is "one hundred twenty-five billion, seventy-seven million, fifty-five thousand, five hundred one".