11626738465155 has 64 divisors (see below), whose sum is σ = 20795125510656. Its totient is φ = 5498071424000.

The previous prime is 11626738465093. The next prime is 11626738465159. The reversal of 11626738465155 is 55156483762611.

It is not a de Polignac number, because 11626738465155 - 2⁶ = 11626738465091 is a prime.

It is a super-3 number, since 3×11626738465155³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11626738465159) 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, 22549897 + ... + 23059733.

It is an arithmetic number, because the mean of its divisors is an integer number (324923836104).

Almost surely, 2^{11626738465155} is an apocalyptic number.

11626738465155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11626738465155 is a deficient number, since it is larger than the sum of its proper divisors (9168387045501).

11626738465155 is a wasteful number, since it uses less digits than its factorization.

11626738465155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513268.

The product of its digits is 36288000, while the sum is 60.

The spelling of 11626738465155 in words is "eleven trillion, six hundred twenty-six billion, seven hundred thirty-eight million, four hundred sixty-five thousand, one hundred fifty-five".