5631261788154 has 32 divisors (see below), whose sum is σ = 11475387189504. Its totient is φ = 1841612235840.

The previous prime is 5631261788083. The next prime is 5631261788177. The reversal of 5631261788154 is 4518871621365.

It is a happy number.

It is a super-2 number, since 2×5631261788154² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5631261788094 and 5631261788103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10425519 + ... + 10952349.

It is an arithmetic number, because the mean of its divisors is an integer number (358605849672).

Almost surely, 2^{5631261788154} is an apocalyptic number.

5631261788154 is an abundant number, since it is smaller than the sum of its proper divisors (5844125401350).

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

5631261788154 is a wasteful number, since it uses less digits than its factorization.

5631261788154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560502.

The product of its digits is 9676800, while the sum is 57.

The spelling of 5631261788154 in words is "five trillion, six hundred thirty-one billion, two hundred sixty-one million, seven hundred eighty-eight thousand, one hundred fifty-four".