1311661262924 has 12 divisors (see below), whose sum is σ = 2298098197584. Its totient is φ = 655061777904.

The previous prime is 1311661262887. The next prime is 1311661262959. The reversal of 1311661262924 is 4292621661131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192209552 + ... + 192216375.

It is an arithmetic number, because the mean of its divisors is an integer number (191508183132).

Almost surely, 2^{1311661262924} is an apocalyptic number.

It is an amenable number.

1311661262924 is a deficient number, since it is larger than the sum of its proper divisors (986436934660).

1311661262924 is a wasteful number, since it uses less digits than its factorization.

1311661262924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384426784 (or 384426782 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The spelling of 1311661262924 in words is "one trillion, three hundred eleven billion, six hundred sixty-one million, two hundred sixty-two thousand, nine hundred twenty-four".