10645111431 has 6 divisors (see below), whose sum is σ = 15376272080. Its totient is φ = 7096740948.

The previous prime is 10645111417. The next prime is 10645111441. The reversal of 10645111431 is 13411154601.

10645111431 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 511 + 143 + 1 = 666.

It is not a de Polignac number, because 10645111431 - 2¹⁹ = 10644587143 is a prime.

It is a super-2 number, since 2×10645111431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10645111395 and 10645111404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645111441) 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 5 ways as a sum of consecutive naturals, for example, 591395071 + ... + 591395088.

Almost surely, 2^10645111431 is an apocalyptic number.

10645111431 is a deficient number, since it is larger than the sum of its proper divisors (4731160649).

10645111431 is a wasteful number, since it uses less digits than its factorization.

10645111431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182790165 (or 1182790162 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 10645111431 in words is "ten billion, six hundred forty-five million, one hundred eleven thousand, four hundred thirty-one".