11156459050 has 24 divisors (see below), whose sum is σ = 22637470752. Its totient is φ = 4056894000.

The previous prime is 11156459033. The next prime is 11156459059. The reversal of 11156459050 is 5095465111.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11156459059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10141686 + ... + 10142785.

It is an arithmetic number, because the mean of its divisors is an integer number (943227948).

Almost surely, 2^11156459050 is an apocalyptic number.

11156459050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11156459050 is an abundant number, since it is smaller than the sum of its proper divisors (11481011702).

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

11156459050 is a wasteful number, since it uses less digits than its factorization.

11156459050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20284494 (or 20284489 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 11156459050 in words is "eleven billion, one hundred fifty-six million, four hundred fifty-nine thousand, fifty".