50151516615 has 48 divisors (see below), whose sum is σ = 91178425728. Its totient is φ = 25470816768.

The previous prime is 50151516607. The next prime is 50151516617. The reversal of 50151516615 is 51661515105.

It is a happy number.

50151516615 is a `hidden beast` number, since 5 + 0 + 15 + 15 + 16 + 615 = 666.

It is not a de Polignac number, because 50151516615 - 2³ = 50151516607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50151516615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50151516617) 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, 242182 + ... + 398691.

It is an arithmetic number, because the mean of its divisors is an integer number (1899550536).

Almost surely, 2^50151516615 is an apocalyptic number.

50151516615 is a deficient number, since it is larger than the sum of its proper divisors (41026909113).

50151516615 is a wasteful number, since it uses less digits than its factorization.

50151516615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640968 (or 640965 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 50151516615 in words is "fifty billion, one hundred fifty-one million, five hundred sixteen thousand, six hundred fifteen".