11642637754155 has 64 divisors (see below), whose sum is σ = 19689578496000. Its totient is φ = 5862646238592.

The previous prime is 11642637754151. The next prime is 11642637754193. The reversal of 11642637754155 is 55145773624611.

It is a happy number.

It is not a de Polignac number, because 11642637754155 - 2² = 11642637754151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11642637754095 and 11642637754104.

It is not an unprimeable number, because it can be changed into a prime (11642637754151) 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 63 ways as a sum of consecutive naturals, for example, 102940126 + ... + 103053164.

It is an arithmetic number, because the mean of its divisors is an integer number (307649664000).

Almost surely, 2^{11642637754155} is an apocalyptic number.

11642637754155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11642637754155 is a deficient number, since it is larger than the sum of its proper divisors (8046940741845).

11642637754155 is a wasteful number, since it uses less digits than its factorization.

11642637754155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116928.

The product of its digits is 21168000, while the sum is 57.

The spelling of 11642637754155 in words is "eleven trillion, six hundred forty-two billion, six hundred thirty-seven million, seven hundred fifty-four thousand, one hundred fifty-five".