11147790257 has 8 divisors (see below), whose sum is σ = 11781272160. Its totient is φ = 10518984000.

The previous prime is 11147790233. The next prime is 11147790263. The reversal of 11147790257 is 75209774111.

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

It is a cyclic number.

It is not a de Polignac number, because 11147790257 - 2¹⁴ = 11147773873 is a prime.

It is a super-2 number, since 2×11147790257² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11147790287) 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, 1164008 + ... + 1173545.

It is an arithmetic number, because the mean of its divisors is an integer number (1472659020).

Almost surely, 2^11147790257 is an apocalyptic number.

It is an amenable number.

11147790257 is a deficient number, since it is larger than the sum of its proper divisors (633481903).

11147790257 is a wasteful number, since it uses less digits than its factorization.

11147790257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337823.

The product of its (nonzero) digits is 123480, while the sum is 44.

The spelling of 11147790257 in words is "eleven billion, one hundred forty-seven million, seven hundred ninety thousand, two hundred fifty-seven".