11611177089 has 32 divisors (see below), whose sum is σ = 17153078400. Its totient is φ = 6954734592.

The previous prime is 11611177079. The next prime is 11611177091. The reversal of 11611177089 is 98077111611.

It is not a de Polignac number, because 11611177089 - 2²⁰ = 11610128513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11611177089.

It is not an unprimeable number, because it can be changed into a prime (11611177079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41962 + ... + 158060.

It is an arithmetic number, because the mean of its divisors is an integer number (536033700).

Almost surely, 2^11611177089 is an apocalyptic number.

It is an amenable number.

11611177089 is a deficient number, since it is larger than the sum of its proper divisors (5541901311).

11611177089 is a wasteful number, since it uses less digits than its factorization.

11611177089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116209.

The product of its (nonzero) digits is 21168, while the sum is 42.

The spelling of 11611177089 in words is "eleven billion, six hundred eleven million, one hundred seventy-seven thousand, eighty-nine".