11172390695 has 8 divisors (see below), whose sum is σ = 13424917536. Its totient is φ = 8925880096.

The previous prime is 11172390661. The next prime is 11172390791. The reversal of 11172390695 is 59609327111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11172390695 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1499972 + ... + 1507401.

It is an arithmetic number, because the mean of its divisors is an integer number (1678114692).

Almost surely, 2^11172390695 is an apocalyptic number.

11172390695 is a deficient number, since it is larger than the sum of its proper divisors (2252526841).

11172390695 is an equidigital number, since it uses as much as digits as its factorization.

11172390695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008121.

The product of its (nonzero) digits is 102060, while the sum is 44.

The spelling of 11172390695 in words is "eleven billion, one hundred seventy-two million, three hundred ninety thousand, six hundred ninety-five".