10520611431 has 16 divisors (see below), whose sum is σ = 15325960320. Its totient is φ = 6366439520.

The previous prime is 10520611421. The next prime is 10520611457. The reversal of 10520611431 is 13411602501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10520611431 - 2⁷ = 10520611303 is a prime.

It is a super-2 number, since 2×10520611431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520611411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220140 + ... + 263633.

It is an arithmetic number, because the mean of its divisors is an integer number (957872520).

Almost surely, 2^10520611431 is an apocalyptic number.

10520611431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10520611431 is a deficient number, since it is larger than the sum of its proper divisors (4805348889).

10520611431 is a wasteful number, since it uses less digits than its factorization.

10520611431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484446.

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 10520611431 in words is "ten billion, five hundred twenty million, six hundred eleven thousand, four hundred thirty-one".