11177304540 has 48 divisors (see below), whose sum is σ = 31336351872. Its totient is φ = 2976814656.

The previous prime is 11177304533. The next prime is 11177304559. The reversal of 11177304540 is 4540377111.

It is a happy number.

It is a super-2 number, since 2×11177304540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71134 + ... + 165573.

It is an arithmetic number, because the mean of its divisors is an integer number (652840664).

Almost surely, 2^11177304540 is an apocalyptic number.

11177304540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11177304540 is an abundant number, since it is smaller than the sum of its proper divisors (20159047332).

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

11177304540 is a wasteful number, since it uses less digits than its factorization.

11177304540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237506 (or 237504 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 11177304540 in words is "eleven billion, one hundred seventy-seven million, three hundred four thousand, five hundred forty".