11557802770 has 32 divisors (see below), whose sum is σ = 20869228800. Its totient is φ = 4608663936.

The previous prime is 11557802743. The next prime is 11557802777. The reversal of 11557802770 is 7720875511.

It is not an unprimeable number, because it can be changed into a prime (11557802777) 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, 5815717 + ... + 5817703.

It is an arithmetic number, because the mean of its divisors is an integer number (652163400).

Almost surely, 2^11557802770 is an apocalyptic number.

11557802770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11557802770 is a deficient number, since it is larger than the sum of its proper divisors (9311426030).

11557802770 is a wasteful number, since it uses less digits than its factorization.

11557802770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522.

The product of its (nonzero) digits is 137200, while the sum is 43.

The spelling of 11557802770 in words is "eleven billion, five hundred fifty-seven million, eight hundred two thousand, seven hundred seventy".