11425566849 has 32 divisors (see below), whose sum is σ = 15883444224. Its totient is φ = 7299714240.

The previous prime is 11425566833. The next prime is 11425566857. The reversal of 11425566849 is 94866552411.

It is not a de Polignac number, because 11425566849 - 2⁴ = 11425566833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11425566809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4714252 + ... + 4716674.

It is an arithmetic number, because the mean of its divisors is an integer number (496357632).

Almost surely, 2^11425566849 is an apocalyptic number.

It is an amenable number.

11425566849 is a deficient number, since it is larger than the sum of its proper divisors (4457877375).

11425566849 is a wasteful number, since it uses less digits than its factorization.

11425566849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157.

The product of its digits is 2073600, while the sum is 51.

The spelling of 11425566849 in words is "eleven billion, four hundred twenty-five million, five hundred sixty-six thousand, eight hundred forty-nine".