11160745421 has 4 divisors (see below), whose sum is σ = 12755137632. Its totient is φ = 9566353212.

The previous prime is 11160745397. The next prime is 11160745441. The reversal of 11160745421 is 12454706111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11160745421 - 2²² = 11156551117 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 (11160745441) 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, 797196095 + ... + 797196108.

It is an arithmetic number, because the mean of its divisors is an integer number (3188784408).

Almost surely, 2^11160745421 is an apocalyptic number.

It is an amenable number.

11160745421 is a deficient number, since it is larger than the sum of its proper divisors (1594392211).

11160745421 is an equidigital number, since it uses as much as digits as its factorization.

11160745421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594392210.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 11160745421 in words is "eleven billion, one hundred sixty million, seven hundred forty-five thousand, four hundred twenty-one".