11287946516 has 48 divisors (see below), whose sum is σ = 24846272640. Its totient is φ = 4358968320.

The previous prime is 11287946507. The next prime is 11287946533. The reversal of 11287946516 is 61564978211.

It is a super-3 number, since 3×11287946516³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

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, 127361 + ... + 196968.

It is an arithmetic number, because the mean of its divisors is an integer number (517630680).

Almost surely, 2^11287946516 is an apocalyptic number.

It is an amenable number.

11287946516 is an abundant number, since it is smaller than the sum of its proper divisors (13558326124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11287946516 is a wasteful number, since it uses less digits than its factorization.

11287946516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324464 (or 324462 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The spelling of 11287946516 in words is "eleven billion, two hundred eighty-seven million, nine hundred forty-six thousand, five hundred sixteen".