61941874311 has 16 divisors (see below), whose sum is σ = 92170003200. Its totient is φ = 41112664344.

The previous prime is 61941874297. The next prime is 61941874321. The reversal of 61941874311 is 11347814916.

61941874311 is a `hidden beast` number, since 619 + 4 + 18 + 7 + 4 + 3 + 11 = 666.

It is not a de Polignac number, because 61941874311 - 2⁵ = 61941874279 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61941874321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047051 + ... + 5059308.

It is an arithmetic number, because the mean of its divisors is an integer number (5760625200).

Almost surely, 2^61941874311 is an apocalyptic number.

61941874311 is a deficient number, since it is larger than the sum of its proper divisors (30228128889).

61941874311 is a wasteful number, since it uses less digits than its factorization.

61941874311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106595 (or 10106589 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The spelling of 61941874311 in words is "sixty-one billion, nine hundred forty-one million, eight hundred seventy-four thousand, three hundred eleven".