11552565554 has 8 divisors (see below), whose sum is σ = 18240893040. Its totient is φ = 5472267876.

The previous prime is 11552565533. The next prime is 11552565659. The reversal of 11552565554 is 45556525511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152007404 + ... + 152007479.

It is an arithmetic number, because the mean of its divisors is an integer number (2280111630).

Almost surely, 2^11552565554 is an apocalyptic number.

11552565554 is a deficient number, since it is larger than the sum of its proper divisors (6688327486).

11552565554 is a wasteful number, since it uses less digits than its factorization.

11552565554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304014904.

The product of its digits is 750000, while the sum is 44.

The spelling of 11552565554 in words is "eleven billion, five hundred fifty-two million, five hundred sixty-five thousand, five hundred fifty-four".