11145521764 has 24 divisors (see below), whose sum is σ = 21007947968. Its totient is φ = 5143370400.

The previous prime is 11145521749. The next prime is 11145521819. The reversal of 11145521764 is 46712554111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615439 + ... + 633289.

Almost surely, 2^11145521764 is an apocalyptic number.

It is an amenable number.

11145521764 is a deficient number, since it is larger than the sum of its proper divisors (9862426204).

11145521764 is a wasteful number, since it uses less digits than its factorization.

11145521764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29875 (or 29873 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The spelling of 11145521764 in words is "eleven billion, one hundred forty-five million, five hundred twenty-one thousand, seven hundred sixty-four".