551016605031 has 64 divisors (see below), whose sum is σ = 834697543680. Its totient is φ = 321604335360.

The previous prime is 551016605021. The next prime is 551016605063. The reversal of 551016605031 is 130506610155.

It is not a de Polignac number, because 551016605031 - 2¹⁹ = 551016080743 is a prime.

It is a super-2 number, since 2×551016605031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551016604983 and 551016605001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551016605021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5486590 + ... + 5586116.

It is an arithmetic number, because the mean of its divisors is an integer number (13042149120).

Almost surely, 2^551016605031 is an apocalyptic number.

551016605031 is a deficient number, since it is larger than the sum of its proper divisors (283680938649).

551016605031 is a wasteful number, since it uses less digits than its factorization.

551016605031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99716.

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 551016605031 in words is "five hundred fifty-one billion, sixteen million, six hundred five thousand, thirty-one".