11236506552 has 48 divisors (see below), whose sum is σ = 30654365040. Its totient is φ = 3718159488.

The previous prime is 11236506509. The next prime is 11236506557. The reversal of 11236506552 is 25560563211.

11236506552 is a `hidden beast` number, since 112 + 36 + 506 + 5 + 5 + 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 (11236506557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559708 + ... + 579435.

It is an arithmetic number, because the mean of its divisors is an integer number (638632605).

Almost surely, 2^11236506552 is an apocalyptic number.

11236506552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11236506552 is an abundant number, since it is smaller than the sum of its proper divisors (19417858488).

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

11236506552 is a wasteful number, since it uses less digits than its factorization.

11236506552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139292 (or 1139285 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 11236506552 in words is "eleven billion, two hundred thirty-six million, five hundred six thousand, five hundred fifty-two".