5431156531251 has 16 divisors (see below), whose sum is σ = 7924784767488. Its totient is φ = 3281226384800.

The previous prime is 5431156531243. The next prime is 5431156531261. The reversal of 5431156531251 is 1521356511345.

It is a cyclic number.

It is not a de Polignac number, because 5431156531251 - 2³ = 5431156531243 is a prime.

It is a super-2 number, since 2×5431156531251² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5431156531261) 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, 259580235 + ... + 259601156.

It is an arithmetic number, because the mean of its divisors is an integer number (495299047968).

Almost surely, 2^{5431156531251} is an apocalyptic number.

5431156531251 is a deficient number, since it is larger than the sum of its proper divisors (2493628236237).

5431156531251 is a wasteful number, since it uses less digits than its factorization.

5431156531251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519181722.

The product of its digits is 270000, while the sum is 42.

The spelling of 5431156531251 in words is "five trillion, four hundred thirty-one billion, one hundred fifty-six million, five hundred thirty-one thousand, two hundred fifty-one".