11287513406 has 16 divisors (see below), whose sum is σ = 18240913824. Its totient is φ = 5207553504.

The previous prime is 11287513399. The next prime is 11287513417. The reversal of 11287513406 is 60431578211.

It is a self number, because there is not a number n which added to its sum of digits gives 11287513406.

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, 18410 + ... + 151373.

It is an arithmetic number, because the mean of its divisors is an integer number (1140057114).

Almost surely, 2^11287513406 is an apocalyptic number.

11287513406 is a deficient number, since it is larger than the sum of its proper divisors (6953400418).

11287513406 is a wasteful number, since it uses less digits than its factorization.

11287513406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172355.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 11287513406 in words is "eleven billion, two hundred eighty-seven million, five hundred thirteen thousand, four hundred six".