11172901117 has 8 divisors (see below), whose sum is σ = 12770227712. Its totient is φ = 9575874000.

The previous prime is 11172901067. The next prime is 11172901121. The reversal of 11172901117 is 71110927111.

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

It is not a de Polignac number, because 11172901117 - 2¹⁵ = 11172868349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172901127) 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, 11767 + ... + 149947.

It is an arithmetic number, because the mean of its divisors is an integer number (1596278464).

Almost surely, 2^11172901117 is an apocalyptic number.

It is an amenable number.

11172901117 is a deficient number, since it is larger than the sum of its proper divisors (1597326595).

11172901117 is a wasteful number, since it uses less digits than its factorization.

11172901117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149739.

The product of its (nonzero) digits is 882, while the sum is 31.

The spelling of 11172901117 in words is "eleven billion, one hundred seventy-two million, nine hundred one thousand, one hundred seventeen".