50012153261 has 32 divisors (see below), whose sum is σ = 60560256000. Its totient is φ = 41234417280.

The previous prime is 50012153231. The next prime is 50012153287. The reversal of 50012153261 is 16235121005.

It is not a de Polignac number, because 50012153261 - 2¹⁰ = 50012152237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50012153261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50012153231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2686361 + ... + 2704913.

It is an arithmetic number, because the mean of its divisors is an integer number (1892508000).

Almost surely, 2^50012153261 is an apocalyptic number.

It is an amenable number.

50012153261 is a deficient number, since it is larger than the sum of its proper divisors (10548102739).

50012153261 is a wasteful number, since it uses less digits than its factorization.

50012153261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874 (or 18860 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 50012153261 its reverse (16235121005), we get a palindrome (66247274266).

The spelling of 50012153261 in words is "fifty billion, twelve million, one hundred fifty-three thousand, two hundred sixty-one".