11553566580372 has 48 divisors (see below), whose sum is σ = 27333000286592. Its totient is φ = 3797973688320.

The previous prime is 11553566580341. The next prime is 11553566580377. The reversal of 11553566580372 is 27308566535511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553566580377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19095373 + ... + 19691124.

Almost surely, 2^{11553566580372} is an apocalyptic number.

11553566580372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11553566580372 is an abundant number, since it is smaller than the sum of its proper divisors (15779433706220).

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

11553566580372 is a wasteful number, since it uses less digits than its factorization.

11553566580372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38786848 (or 38786846 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 11553566580372 in words is "eleven trillion, five hundred fifty-three billion, five hundred sixty-six million, five hundred eighty thousand, three hundred seventy-two".