11256114973 has 4 divisors (see below), whose sum is σ = 11619215488. Its totient is φ = 10893014460.

The previous prime is 11256114943. The next prime is 11256114977. The reversal of 11256114973 is 37941165211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37941165211 = 121343 ⋅312677.

It is a cyclic number.

It is not a de Polignac number, because 11256114973 - 2⁵ = 11256114941 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 (11256114977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181550211 + ... + 181550272.

It is an arithmetic number, because the mean of its divisors is an integer number (2904803872).

Almost surely, 2^11256114973 is an apocalyptic number.

It is an amenable number.

11256114973 is a deficient number, since it is larger than the sum of its proper divisors (363100515).

11256114973 is an equidigital number, since it uses as much as digits as its factorization.

11256114973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363100514.

The product of its digits is 45360, while the sum is 40.

The spelling of 11256114973 in words is "eleven billion, two hundred fifty-six million, one hundred fourteen thousand, nine hundred seventy-three".