10111664987 has 8 divisors (see below), whose sum is σ = 10586373840. Its totient is φ = 9645358240.

The previous prime is 10111664933. The next prime is 10111664989. The reversal of 10111664987 is 78946611101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10111664987 - 2²⁸ = 9843229531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111664989) 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 7 ways as a sum of consecutive naturals, for example, 2098064 + ... + 2102877.

It is an arithmetic number, because the mean of its divisors is an integer number (1323296730).

Almost surely, 2^10111664987 is an apocalyptic number.

10111664987 is a deficient number, since it is larger than the sum of its proper divisors (474708853).

10111664987 is an equidigital number, since it uses as much as digits as its factorization.

10111664987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201053.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 10111664987 in words is "ten billion, one hundred eleven million, six hundred sixty-four thousand, nine hundred eighty-seven".