11170772123 has 8 divisors (see below), whose sum is σ = 12771770592. Its totient is φ = 9571067136.

The previous prime is 11170772051. The next prime is 11170772147. The reversal of 11170772123 is 32127707111.

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

It is a cyclic number.

It is not a de Polignac number, because 11170772123 - 2²² = 11166577819 is a prime.

It is a super-2 number, since 2×11170772123² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11170772123.

It is not an unprimeable number, because it can be changed into a prime (11170774123) 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, 304790 + ... + 339467.

It is an arithmetic number, because the mean of its divisors is an integer number (1596471324).

Almost surely, 2^11170772123 is an apocalyptic number.

11170772123 is a deficient number, since it is larger than the sum of its proper divisors (1600998469).

11170772123 is an equidigital number, since it uses as much as digits as its factorization.

11170772123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646741.

The product of its (nonzero) digits is 4116, while the sum is 32.

The spelling of 11170772123 in words is "eleven billion, one hundred seventy million, seven hundred seventy-two thousand, one hundred twenty-three".