11057280732 has 48 divisors (see below), whose sum is σ = 28685099520. Its totient is φ = 3683436336.

The previous prime is 11057280721. The next prime is 11057280733. The reversal of 11057280732 is 23708275011.

11057280732 is a `hidden beast` number, since 1 + 1 + 0 + 572 + 80 + 7 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057280733) 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, 144253 + ... + 207179.

It is an arithmetic number, because the mean of its divisors is an integer number (597606240).

Almost surely, 2^11057280732 is an apocalyptic number.

11057280732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11057280732 is an abundant number, since it is smaller than the sum of its proper divisors (17627818788).

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

11057280732 is a wasteful number, since it uses less digits than its factorization.

11057280732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64567 (or 64559 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 11057280732 in words is "eleven billion, fifty-seven million, two hundred eighty thousand, seven hundred thirty-two".