11554522156 has 48 divisors (see below), whose sum is σ = 20985531840. Its totient is φ = 5563134720.

The previous prime is 11554522153. The next prime is 11554522333. The reversal of 11554522156 is 65122545511.

It is not an unprimeable number, because it can be changed into a prime (11554522153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9400950 + ... + 9402178.

It is an arithmetic number, because the mean of its divisors is an integer number (437198580).

Almost surely, 2^11554522156 is an apocalyptic number.

It is an amenable number.

11554522156 is a deficient number, since it is larger than the sum of its proper divisors (9431009684).

11554522156 is a wasteful number, since it uses less digits than its factorization.

11554522156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2072 counting only the distinct ones).

The product of its digits is 60000, while the sum is 37.

The spelling of 11554522156 in words is "eleven billion, five hundred fifty-four million, five hundred twenty-two thousand, one hundred fifty-six".