11069810638 has 16 divisors (see below), whose sum is σ = 16793992080. Its totient is φ = 5472061056.

The previous prime is 11069810573. The next prime is 11069810657. The reversal of 11069810638 is 83601896011.

It is a happy number.

It is a super-2 number, since 2×11069810638² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11069810594 and 11069810603.

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, 28033 + ... + 151411.

It is an arithmetic number, because the mean of its divisors is an integer number (1049624505).

Almost surely, 2^11069810638 is an apocalyptic number.

11069810638 is a deficient number, since it is larger than the sum of its proper divisors (5724181442).

11069810638 is a wasteful number, since it uses less digits than its factorization.

11069810638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123891.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 11069810638 in words is "eleven billion, sixty-nine million, eight hundred ten thousand, six hundred thirty-eight".