50815965745125 has 256 divisors, whose sum is σ = 108837365145600. Its totient is φ = 22915901548800.

The previous prime is 50815965745099. The next prime is 50815965745147. The reversal of 50815965745125 is 52154756951805.

50815965745125 is a `hidden beast` number, since 5 + 0 + 8 + 1 + 5 + 9 + 6 + 574 + 51 + 2 + 5 = 666.

It is not a de Polignac number, because 50815965745125 - 2¹⁰ = 50815965744101 is a prime.

It is a super-2 number, since 2×50815965745125² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 515519094 + ... + 515617656.

It is an arithmetic number, because the mean of its divisors is an integer number (425145957600).

Almost surely, 2^{50815965745125} is an apocalyptic number.

It is an amenable number.

50815965745125 is an abundant number, since it is smaller than the sum of its proper divisors (58021399400475).

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

50815965745125 is a wasteful number, since it uses less digits than its factorization.

50815965745125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98890 (or 98874 counting only the distinct ones).

The product of its (nonzero) digits is 75600000, while the sum is 63.

The spelling of 50815965745125 in words is "fifty trillion, eight hundred fifteen billion, nine hundred sixty-five million, seven hundred forty-five thousand, one hundred twenty-five".