10815012863 has 4 divisors (see below), whose sum is σ = 10951911840. Its totient is φ = 10678113888.

The previous prime is 10815012851. The next prime is 10815012899. The reversal of 10815012863 is 36821051801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10815012863 - 2⁴ = 10815012847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10815012823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68449370 + ... + 68449527.

It is an arithmetic number, because the mean of its divisors is an integer number (2737977960).

Almost surely, 2^10815012863 is an apocalyptic number.

10815012863 is a deficient number, since it is larger than the sum of its proper divisors (136898977).

10815012863 is an equidigital number, since it uses as much as digits as its factorization.

10815012863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136898976.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 10815012863 in words is "ten billion, eight hundred fifteen million, twelve thousand, eight hundred sixty-three".