11475091475 has 6 divisors (see below), whose sum is σ = 14229113460. Its totient is φ = 9180073160.

The previous prime is 11475091457. The next prime is 11475091489. The reversal of 11475091475 is 57419057411.

It is a de Polignac number, because none of the positive numbers 2^k-11475091475 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229501805 + ... + 229501854.

It is an arithmetic number, because the mean of its divisors is an integer number (2371518910).

Almost surely, 2^11475091475 is an apocalyptic number.

11475091475 is a deficient number, since it is larger than the sum of its proper divisors (2754021985).

11475091475 is an equidigital number, since it uses as much as digits as its factorization.

11475091475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459003669 (or 459003664 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 44.

It can be divided in two parts, 11 and 475091475, that multiplied together give a palindrome (5226006225).

The spelling of 11475091475 in words is "eleven billion, four hundred seventy-five million, ninety-one thousand, four hundred seventy-five".