11515051350 has 144 divisors (see below), whose sum is σ = 33798823344. Its totient is φ = 2787456000.

The previous prime is 11515051319. The next prime is 11515051363. The reversal of 11515051350 is 5315051511.

11515051350 is a `hidden beast` number, since 1 + 1 + 51 + 50 + 513 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4716130 + ... + 4718570.

It is an arithmetic number, because the mean of its divisors is an integer number (234714051).

Almost surely, 2^11515051350 is an apocalyptic number.

11515051350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11515051350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16899411672).

11515051350 is an abundant number, since it is smaller than the sum of its proper divisors (22283771994).

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

11515051350 is a wasteful number, since it uses less digits than its factorization.

11515051350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 27.

The spelling of 11515051350 in words is "eleven billion, five hundred fifteen million, fifty-one thousand, three hundred fifty".