11561425922 has 6 divisors (see below), whose sum is σ = 17342366979. Its totient is φ = 5780636930.

The previous prime is 11561425903. The next prime is 11561425949. The reversal of 11561425922 is 22952416511.

It can be written as a sum of positive squares in only one way, i.e., 5780712961 + 5780712961 = 76031^2 + 76031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76031.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 114047 + ... + 190077.

Almost surely, 2^11561425922 is an apocalyptic number.

11561425922 is a deficient number, since it is larger than the sum of its proper divisors (5780941057).

11561425922 is an frugal number, since it uses more digits than its factorization.

11561425922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152064 (or 76033 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The spelling of 11561425922 in words is "eleven billion, five hundred sixty-one million, four hundred twenty-five thousand, nine hundred twenty-two".