11205405914 has 32 divisors (see below), whose sum is σ = 17818418880. Its totient is φ = 5270234112.

The previous prime is 11205405863. The next prime is 11205405923. The reversal of 11205405914 is 41950450211.

It is a super-2 number, since 2×11205405914² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5008004 + ... + 5010240.

It is an arithmetic number, because the mean of its divisors is an integer number (556825590).

Almost surely, 2^11205405914 is an apocalyptic number.

11205405914 is a deficient number, since it is larger than the sum of its proper divisors (6613012966).

11205405914 is a wasteful number, since it uses less digits than its factorization.

11205405914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 11205405914 in words is "eleven billion, two hundred five million, four hundred five thousand, nine hundred fourteen".