1142664135680 has 88 divisors (see below), whose sum is σ = 2767668326592. Its totient is φ = 452627914752.

The previous prime is 1142664135677. The next prime is 1142664135721. The reversal of 1142664135680 is 865314662411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556022 + ... + 1610741.

Almost surely, 2^{1142664135680} is an apocalyptic number.

1142664135680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142664135680 is an abundant number, since it is smaller than the sum of its proper divisors (1625004190912).

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

1142664135680 is a wasteful number, since it uses less digits than its factorization.

1142664135680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166891 (or 2166873 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 1142664135680 in words is "one trillion, one hundred forty-two billion, six hundred sixty-four million, one hundred thirty-five thousand, six hundred eighty".