11171675634 has 32 divisors (see below), whose sum is σ = 25542107136. Its totient is φ = 3191051280.

The previous prime is 11171675573. The next prime is 11171675653. The reversal of 11171675634 is 43657617111.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 132079 + ... + 199469.

It is an arithmetic number, because the mean of its divisors is an integer number (798190848).

Almost surely, 2^11171675634 is an apocalyptic number.

11171675634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11171675634 is an abundant number, since it is smaller than the sum of its proper divisors (14370431502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11171675634 is a wasteful number, since it uses less digits than its factorization.

11171675634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71350.

The product of its digits is 105840, while the sum is 42.

The spelling of 11171675634 in words is "eleven billion, one hundred seventy-one million, six hundred seventy-five thousand, six hundred thirty-four".