11537161494 has 32 divisors (see below), whose sum is σ = 24302782080. Its totient is φ = 3641211072.

The previous prime is 11537161477. The next prime is 11537161499. The reversal of 11537161494 is 49416173511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11537161499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175402 + ... + 232034.

It is an arithmetic number, because the mean of its divisors is an integer number (759461940).

Almost surely, 2^11537161494 is an apocalyptic number.

11537161494 is an abundant number, since it is smaller than the sum of its proper divisors (12765620586).

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

11537161494 is a wasteful number, since it uses less digits than its factorization.

11537161494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58444.

The product of its digits is 90720, while the sum is 42.

The spelling of 11537161494 in words is "eleven billion, five hundred thirty-seven million, one hundred sixty-one thousand, four hundred ninety-four".