11612938711 has 4 divisors (see below), whose sum is σ = 12668660424. Its totient is φ = 10557217000.

The previous prime is 11612938699. The next prime is 11612938721. The reversal of 11612938711 is 11783921611.

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

It is not a de Polignac number, because 11612938711 - 2¹⁷ = 11612807639 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 (11612938721) 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, 527860840 + ... + 527860861.

It is an arithmetic number, because the mean of its divisors is an integer number (3167165106).

Almost surely, 2^11612938711 is an apocalyptic number.

11612938711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11612938711 is a deficient number, since it is larger than the sum of its proper divisors (1055721713).

11612938711 is a wasteful number, since it uses less digits than its factorization.

11612938711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055721712.

The product of its digits is 18144, while the sum is 40.

The spelling of 11612938711 in words is "eleven billion, six hundred twelve million, nine hundred thirty-eight thousand, seven hundred eleven".