11801157896 has 32 divisors (see below), whose sum is σ = 24156636480. Its totient is φ = 5360184000.

The previous prime is 11801157877. The next prime is 11801157911. The reversal of 11801157896 is 69875110811.

11801157896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11801157896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71246 + ... + 169346.

It is an arithmetic number, because the mean of its divisors is an integer number (754894890).

Almost surely, 2^11801157896 is an apocalyptic number.

It is an amenable number.

11801157896 is an abundant number, since it is smaller than the sum of its proper divisors (12355478584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11801157896 is a wasteful number, since it uses less digits than its factorization.

11801157896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99485 (or 99481 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 47.

The spelling of 11801157896 in words is "eleven billion, eight hundred one million, one hundred fifty-seven thousand, eight hundred ninety-six".