11286457215 has 128 divisors (see below), whose sum is σ = 20901888000. Its totient is φ = 5150400000.

The previous prime is 11286457183. The next prime is 11286457223. The reversal of 11286457215 is 51275468211.

It is a happy number.

It is not a de Polignac number, because 11286457215 - 2⁵ = 11286457183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44965840 + ... + 44966090.

It is an arithmetic number, because the mean of its divisors is an integer number (163296000).

Almost surely, 2^11286457215 is an apocalyptic number.

11286457215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11286457215 is a deficient number, since it is larger than the sum of its proper divisors (9615430785).

11286457215 is a wasteful number, since it uses less digits than its factorization.

11286457215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 134400, while the sum is 42.

The spelling of 11286457215 in words is "eleven billion, two hundred eighty-six million, four hundred fifty-seven thousand, two hundred fifteen".