11771055537 has 8 divisors (see below), whose sum is σ = 15893408640. Its totient is φ = 7748036400.

The previous prime is 11771055521. The next prime is 11771055551. The reversal of 11771055537 is 73555017711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11771055537 - 2⁴ = 11771055521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11771055557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24833214 + ... + 24833687.

It is an arithmetic number, because the mean of its divisors is an integer number (1986676080).

Almost surely, 2^11771055537 is an apocalyptic number.

It is an amenable number.

11771055537 is a deficient number, since it is larger than the sum of its proper divisors (4122353103).

11771055537 is an equidigital number, since it uses as much as digits as its factorization.

11771055537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49666983.

The product of its (nonzero) digits is 128625, while the sum is 42.

The spelling of 11771055537 in words is "eleven billion, seven hundred seventy-one million, fifty-five thousand, five hundred thirty-seven".