11052131555 has 16 divisors (see below), whose sum is σ = 13313782944. Its totient is φ = 8807623680.

The previous prime is 11052131539. The next prime is 11052131569. The reversal of 11052131555 is 55513125011.

It is not a de Polignac number, because 11052131555 - 2⁴ = 11052131539 is a prime.

It is a super-2 number, since 2×11052131555² (a number of 21 digits) contains 22 as substring.

It is a Duffinian 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, 1478387 + ... + 1485843.

It is an arithmetic number, because the mean of its divisors is an integer number (832111434).

Almost surely, 2^11052131555 is an apocalyptic number.

11052131555 is a deficient number, since it is larger than the sum of its proper divisors (2261651389).

11052131555 is an equidigital number, since it uses as much as digits as its factorization.

11052131555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 11052131555 its reverse (55513125011), we get a palindrome (66565256566).

The spelling of 11052131555 in words is "eleven billion, fifty-two million, one hundred thirty-one thousand, five hundred fifty-five".