11635211042 has 64 divisors (see below), whose sum is σ = 21746909184. Its totient is φ = 4546082880.

The previous prime is 11635211023. The next prime is 11635211083. The reversal of 11635211042 is 24011253611.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 10703423 + ... + 10704509.

It is an arithmetic number, because the mean of its divisors is an integer number (339795456).

Almost surely, 2^11635211042 is an apocalyptic number.

11635211042 is a deficient number, since it is larger than the sum of its proper divisors (10111698142).

11635211042 is a wasteful number, since it uses less digits than its factorization.

11635211042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 11635211042 its reverse (24011253611), we get a palindrome (35646464653).

The spelling of 11635211042 in words is "eleven billion, six hundred thirty-five million, two hundred eleven thousand, forty-two".