11287564901 has 8 divisors (see below), whose sum is σ = 11605550208. Its totient is φ = 10971612000.

The previous prime is 11287564891. The next prime is 11287564949. The reversal of 11287564901 is 10946578211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11287564901 - 2²² = 11283370597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287567901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496835 + ... + 519056.

It is an arithmetic number, because the mean of its divisors is an integer number (1450693776).

Almost surely, 2^11287564901 is an apocalyptic number.

It is an amenable number.

11287564901 is a deficient number, since it is larger than the sum of its proper divisors (317985307).

11287564901 is a wasteful number, since it uses less digits than its factorization.

11287564901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016203.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 11287564901 in words is "eleven billion, two hundred eighty-seven million, five hundred sixty-four thousand, nine hundred one".