11522122755 has 48 divisors (see below), whose sum is σ = 21822491040. Its totient is φ = 5156743680.

The previous prime is 11522122753. The next prime is 11522122763. The reversal of 11522122755 is 55722122511.

It is not a de Polignac number, because 11522122755 - 2¹ = 11522122753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11522122753) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220570 + ... + 267759.

It is an arithmetic number, because the mean of its divisors is an integer number (454635230).

Almost surely, 2^11522122755 is an apocalyptic number.

11522122755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11522122755 is a deficient number, since it is larger than the sum of its proper divisors (10300368285).

11522122755 is a wasteful number, since it uses less digits than its factorization.

11522122755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488372 (or 488361 counting only the distinct ones).

The product of its digits is 14000, while the sum is 33.

The spelling of 11522122755 in words is "eleven billion, five hundred twenty-two million, one hundred twenty-two thousand, seven hundred fifty-five".