11040569638 has 16 divisors (see below), whose sum is σ = 19438223904. Its totient is φ = 4603789440.

The previous prime is 11040569629. The next prime is 11040569653. The reversal of 11040569638 is 83696504011.

It is a junction number, because it is equal to n+sod(n) for n = 11040569594 and 11040569603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10656403 + ... + 10657438.

It is an arithmetic number, because the mean of its divisors is an integer number (1214888994).

Almost surely, 2^11040569638 is an apocalyptic number.

11040569638 is a deficient number, since it is larger than the sum of its proper divisors (8397654266).

11040569638 is a wasteful number, since it uses less digits than its factorization.

11040569638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21313887.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 11040569638 in words is "eleven billion, forty million, five hundred sixty-nine thousand, six hundred thirty-eight".