11635642007 has 16 divisors (see below), whose sum is σ = 13076029824. Its totient is φ = 10260756000.

The previous prime is 11635641991. The next prime is 11635642013. The reversal of 11635642007 is 70024653611.

It is not a de Polignac number, because 11635642007 - 2⁴ = 11635641991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11635642507) 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, 91532 + ... + 177902.

It is an arithmetic number, because the mean of its divisors is an integer number (817251864).

Almost surely, 2^11635642007 is an apocalyptic number.

11635642007 is a deficient number, since it is larger than the sum of its proper divisors (1440387817).

11635642007 is a wasteful number, since it uses less digits than its factorization.

11635642007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86750.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 11635642007 in words is "eleven billion, six hundred thirty-five million, six hundred forty-two thousand, seven".