1311001437882 has 32 divisors (see below), whose sum is σ = 2760137233920. Its totient is φ = 413980323120.

The previous prime is 1311001437859. The next prime is 1311001437899. The reversal of 1311001437882 is 2887341001131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311001437882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2168757 + ... + 2706567.

It is an arithmetic number, because the mean of its divisors is an integer number (86254288560).

Almost surely, 2^{1311001437882} is an apocalyptic number.

1311001437882 is an abundant number, since it is smaller than the sum of its proper divisors (1449135796038).

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

1311001437882 is a wasteful number, since it uses less digits than its factorization.

1311001437882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559218.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 1311001437882 in words is "one trillion, three hundred eleven billion, one million, four hundred thirty-seven thousand, eight hundred eighty-two".