5631451859122 has 16 divisors (see below), whose sum is σ = 8952077885400. Its totient is φ = 2647722463488.

The previous prime is 5631451859083. The next prime is 5631451859219. The reversal of 5631451859122 is 2219581541365.

It can be written as a sum of positive squares in 4 ways, for example, as 3001317169761 + 2630134689361 = 1732431^2 + 1621769^2 .

It is a super-2 number, since 2×5631451859122² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5631451859122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74102997 + ... + 74178952.

Almost surely, 2^{5631451859122} is an apocalyptic number.

5631451859122 is a deficient number, since it is larger than the sum of its proper divisors (3320626026278).

5631451859122 is a wasteful number, since it uses less digits than its factorization.

5631451859122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148283085.

The product of its digits is 2592000, while the sum is 52.

The spelling of 5631451859122 in words is "five trillion, six hundred thirty-one billion, four hundred fifty-one million, eight hundred fifty-nine thousand, one hundred twenty-two".