11550342533631 has 128 divisors (see below), whose sum is σ = 18190358065152. Its totient is φ = 6495444172800.

The previous prime is 11550342533629. The next prime is 11550342533633. The reversal of 11550342533631 is 13633524305511.

It is an interprime number because it is at equal distance from previous prime (11550342533629) and next prime (11550342533633).

It is not a de Polignac number, because 11550342533631 - 2¹ = 11550342533629 is a prime.

It is a super-2 number, since 2×11550342533631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550342533633) 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 127 ways as a sum of consecutive naturals, for example, 1784384611 + ... + 1784391083.

It is an arithmetic number, because the mean of its divisors is an integer number (142112172384).

Almost surely, 2^{11550342533631} is an apocalyptic number.

11550342533631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11550342533631 is a deficient number, since it is larger than the sum of its proper divisors (6640015531521).

11550342533631 is a wasteful number, since it uses less digits than its factorization.

11550342533631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894 (or 6872 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 11550342533631 in words is "eleven trillion, five hundred fifty billion, three hundred forty-two million, five hundred thirty-three thousand, six hundred thirty-one".