1481149591592 has 64 divisors (see below), whose sum is σ = 3158019057600. Its totient is φ = 645072064000.

The previous prime is 1481149591589. The next prime is 1481149591601. The reversal of 1481149591592 is 2951959411841.

It is a happy number.

It is a super-2 number, since 2×1481149591592² (a number of 25 digits) contains 22 as substring.

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, 1880909 + ... + 2549532.

It is an arithmetic number, because the mean of its divisors is an integer number (49344047775).

Almost surely, 2^{1481149591592} is an apocalyptic number.

It is an amenable number.

1481149591592 is an abundant number, since it is smaller than the sum of its proper divisors (1676869466008).

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

1481149591592 is a wasteful number, since it uses less digits than its factorization.

1481149591592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430618 (or 4430614 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 59.

The spelling of 1481149591592 in words is "one trillion, four hundred eighty-one billion, one hundred forty-nine million, five hundred ninety-one thousand, five hundred ninety-two".