11097869638 has 16 divisors (see below), whose sum is σ = 17585328240. Its totient is φ = 5238172800.

The previous prime is 11097869623. The next prime is 11097869641. The reversal of 11097869638 is 83696879011.

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, 508983 + ... + 530338.

It is an arithmetic number, because the mean of its divisors is an integer number (1099083015).

Almost surely, 2^11097869638 is an apocalyptic number.

11097869638 is a deficient number, since it is larger than the sum of its proper divisors (6487458602).

11097869638 is a wasteful number, since it uses less digits than its factorization.

11097869638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039623.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 11097869638 in words is "eleven billion, ninety-seven million, eight hundred sixty-nine thousand, six hundred thirty-eight".