50121100880 has 20 divisors (see below), whose sum is σ = 116531559732. Its totient is φ = 20048440320.

The previous prime is 50121100853. The next prime is 50121100907. The reversal of 50121100880 is 8800112105.

It is an interprime number because it is at equal distance from previous prime (50121100853) and next prime (50121100907).

It can be written as a sum of positive squares in 2 ways, for example, as 11891466304 + 38229634576 = 109048^2 + 195524^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313256801 + ... + 313256960.

Almost surely, 2^50121100880 is an apocalyptic number.

It is an amenable number.

50121100880 is an abundant number, since it is smaller than the sum of its proper divisors (66410458852).

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

50121100880 is a wasteful number, since it uses less digits than its factorization.

50121100880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626513774 (or 626513768 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

Adding to 50121100880 its reverse (8800112105), we get a palindrome (58921212985).

The spelling of 50121100880 in words is "fifty billion, one hundred twenty-one million, one hundred thousand, eight hundred eighty".