49915012875 has 64 divisors (see below), whose sum is σ = 102226016256. Its totient is φ = 21063024000.

The previous prime is 49915012813. The next prime is 49915012877. The reversal of 49915012875 is 57821051994.

It is not a de Polignac number, because 49915012875 - 2⁶ = 49915012811 is a prime.

It is a super-2 number, since 2×49915012875² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49915012877) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 697231 + ... + 765480.

It is an arithmetic number, because the mean of its divisors is an integer number (1597281504).

Almost surely, 2^49915012875 is an apocalyptic number.

49915012875 is an abundant number, since it is smaller than the sum of its proper divisors (52311003381).

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

49915012875 is a wasteful number, since it uses less digits than its factorization.

49915012875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462749 (or 1462739 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 49915012875 in words is "forty-nine billion, nine hundred fifteen million, twelve thousand, eight hundred seventy-five".