11400843515 has 16 divisors (see below), whose sum is σ = 14419814400. Its totient is φ = 8640008832.

The previous prime is 11400843511. The next prime is 11400843541. The reversal of 11400843515 is 51534800411.

It is a cyclic number.

It is not a de Polignac number, because 11400843515 - 2² = 11400843511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11400843511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734075 + ... + 749444.

It is an arithmetic number, because the mean of its divisors is an integer number (901238400).

Almost surely, 2^11400843515 is an apocalyptic number.

11400843515 is a deficient number, since it is larger than the sum of its proper divisors (3018970885).

11400843515 is a wasteful number, since it uses less digits than its factorization.

11400843515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483606.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 11400843515 in words is "eleven billion, four hundred million, eight hundred forty-three thousand, five hundred fifteen".