5517558265431 has 16 divisors (see below), whose sum is σ = 7651215488000. Its totient is φ = 3533653457568.

The previous prime is 5517558265409. The next prime is 5517558265489. The reversal of 5517558265431 is 1345628557155.

It is not a de Polignac number, because 5517558265431 - 2²¹ = 5517556168279 is a prime.

It is a super-2 number, since 2×5517558265431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5517558265031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314597131 + ... + 314614668.

It is an arithmetic number, because the mean of its divisors is an integer number (478200968000).

Almost surely, 2^{5517558265431} is an apocalyptic number.

5517558265431 is a deficient number, since it is larger than the sum of its proper divisors (2133657222569).

5517558265431 is a wasteful number, since it uses less digits than its factorization.

5517558265431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629211918.

The product of its digits is 25200000, while the sum is 57.

The spelling of 5517558265431 in words is "five trillion, five hundred seventeen billion, five hundred fifty-eight million, two hundred sixty-five thousand, four hundred thirty-one".