50111015649 has 4 divisors (see below), whose sum is σ = 66814687536. Its totient is φ = 33407343764.

The previous prime is 50111015593. The next prime is 50111015677. The reversal of 50111015649 is 94651011105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50111015649 - 2¹² = 50111011553 is a prime.

It is a super-2 number, since 2×50111015649² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50111015849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8351835939 + ... + 8351835944.

It is an arithmetic number, because the mean of its divisors is an integer number (16703671884).

Almost surely, 2^50111015649 is an apocalyptic number.

It is an amenable number.

50111015649 is a deficient number, since it is larger than the sum of its proper divisors (16703671887).

50111015649 is a wasteful number, since it uses less digits than its factorization.

50111015649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16703671886.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 50111015649 in words is "fifty billion, one hundred eleven million, fifteen thousand, six hundred forty-nine".