11851507368 has 48 divisors (see below), whose sum is σ = 32537543220. Its totient is φ = 3896384256.

The previous prime is 11851507337. The next prime is 11851507373. The reversal of 11851507368 is 86370515811.

11851507368 is a `hidden beast` number, since 1 + 1 + 8 + 515 + 0 + 73 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11016181764 + 835325604 = 104958^2 + 28902^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122171 + ... + 1132682.

Almost surely, 2^11851507368 is an apocalyptic number.

11851507368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11851507368 is an abundant number, since it is smaller than the sum of its proper divisors (20686035852).

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

11851507368 is a wasteful number, since it uses less digits than its factorization.

11851507368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254938 (or 2254931 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 11851507368 in words is "eleven billion, eight hundred fifty-one million, five hundred seven thousand, three hundred sixty-eight".