11167872506 has 16 divisors (see below), whose sum is σ = 19168094016. Its totient is φ = 4780438656.

The previous prime is 11167872503. The next prime is 11167872511. The reversal of 11167872506 is 60527876111.

It is not an unprimeable number, because it can be changed into a prime (11167872503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470711 + ... + 493866.

It is an arithmetic number, because the mean of its divisors is an integer number (1198005876).

Almost surely, 2^11167872506 is an apocalyptic number.

11167872506 is a deficient number, since it is larger than the sum of its proper divisors (8000221510).

11167872506 is an equidigital number, since it uses as much as digits as its factorization.

11167872506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965413.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 11167872506 in words is "eleven billion, one hundred sixty-seven million, eight hundred seventy-two thousand, five hundred six".