11109904556 has 12 divisors (see below), whose sum is σ = 19855999968. Its totient is φ = 5436761712.

The previous prime is 11109904541. The next prime is 11109904571. The reversal of 11109904556 is 65540990111.

It is an interprime number because it is at equal distance from previous prime (11109904541) and next prime (11109904571).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29547431 + ... + 29547806.

It is an arithmetic number, because the mean of its divisors is an integer number (1654666664).

Almost surely, 2^11109904556 is an apocalyptic number.

It is an amenable number.

11109904556 is a deficient number, since it is larger than the sum of its proper divisors (8746095412).

11109904556 is a wasteful number, since it uses less digits than its factorization.

11109904556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59095288 (or 59095286 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 41.

The spelling of 11109904556 in words is "eleven billion, one hundred nine million, nine hundred four thousand, five hundred fifty-six".