5655798785931 has 12 divisors (see below), whose sum is σ = 8772259341672. Its totient is φ = 3231885020448.

The previous prime is 5655798785921. The next prime is 5655798785941. The reversal of 5655798785931 is 1395878975565.

It is an interprime number because it is at equal distance from previous prime (5655798785921) and next prime (5655798785941).

It is not a de Polignac number, because 5655798785931 - 2⁵ = 5655798785899 is a prime.

It is a super-2 number, since 2×5655798785931² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5655798785921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19237410690 + ... + 19237410983.

It is an arithmetic number, because the mean of its divisors is an integer number (731021611806).

Almost surely, 2^{5655798785931} is an apocalyptic number.

5655798785931 is a deficient number, since it is larger than the sum of its proper divisors (3116460555741).

5655798785931 is a wasteful number, since it uses less digits than its factorization.

5655798785931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38474821690 (or 38474821683 counting only the distinct ones).

The product of its digits is 2857680000, while the sum is 78.

The spelling of 5655798785931 in words is "five trillion, six hundred fifty-five billion, seven hundred ninety-eight million, seven hundred eighty-five thousand, nine hundred thirty-one".