10864851551 has 4 divisors (see below), whose sum is σ = 10865089872. Its totient is φ = 10864613232.

The previous prime is 10864851523. The next prime is 10864851587. The reversal of 10864851551 is 15515846801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10864851551 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 (10864851451) 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 3 ways as a sum of consecutive naturals, for example, 27035 + ... + 149868.

It is an arithmetic number, because the mean of its divisors is an integer number (2716272468).

Almost surely, 2^10864851551 is an apocalyptic number.

10864851551 is a deficient number, since it is larger than the sum of its proper divisors (238321).

10864851551 is an equidigital number, since it uses as much as digits as its factorization.

10864851551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238320.

The product of its (nonzero) digits is 192000, while the sum is 44.

The spelling of 10864851551 in words is "ten billion, eight hundred sixty-four million, eight hundred fifty-one thousand, five hundred fifty-one".