11640010155 has 32 divisors (see below), whose sum is σ = 18897753600. Its totient is φ = 6116866560.

The previous prime is 11640010133. The next prime is 11640010163. The reversal of 11640010155 is 55101004611.

It is not a de Polignac number, because 11640010155 - 2⁹ = 11640009643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3511779 + ... + 3515091.

It is an arithmetic number, because the mean of its divisors is an integer number (590554800).

Almost surely, 2^11640010155 is an apocalyptic number.

11640010155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11640010155 is a deficient number, since it is larger than the sum of its proper divisors (7257743445).

11640010155 is a wasteful number, since it uses less digits than its factorization.

11640010155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 11640010155 its reverse (55101004611), we get a palindrome (66741014766).

The spelling of 11640010155 in words is "eleven billion, six hundred forty million, ten thousand, one hundred fifty-five".