10512510399 has 20 divisors (see below), whose sum is σ = 16530395640. Its totient is φ = 6639479280.

The previous prime is 10512510397. The next prime is 10512510451. The reversal of 10512510399 is 99301521501.

10512510399 is a `hidden beast` number, since 1 + 0 + 51 + 2 + 510 + 3 + 99 = 666.

It is not a de Polignac number, because 10512510399 - 2¹ = 10512510397 is a prime.

It is a super-2 number, since 2×10512510399² (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 (10512510391) 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 19 ways as a sum of consecutive naturals, for example, 3413832 + ... + 3416909.

It is an arithmetic number, because the mean of its divisors is an integer number (826519782).

Almost surely, 2^10512510399 is an apocalyptic number.

10512510399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10512510399 is a deficient number, since it is larger than the sum of its proper divisors (6017885241).

10512510399 is an equidigital number, since it uses as much as digits as its factorization.

10512510399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830772 (or 6830763 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The spelling of 10512510399 in words is "ten billion, five hundred twelve million, five hundred ten thousand, three hundred ninety-nine".