10111005056 has 16 divisors (see below), whose sum is σ = 20143018140. Its totient is φ = 5055502464.

The previous prime is 10111005029. The next prime is 10111005071. The reversal of 10111005056 is 65050011101.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39495986 + ... + 39496241.

Almost surely, 2^10111005056 is an apocalyptic number.

10111005056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10111005056 is a deficient number, since it is larger than the sum of its proper divisors (10032013084).

10111005056 is an frugal number, since it uses more digits than its factorization.

10111005056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78992241 (or 78992229 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 10111005056 its reverse (65050011101), we get a palindrome (75161016157).

The spelling of 10111005056 in words is "ten billion, one hundred eleven million, five thousand, fifty-six".