1147634811472 has 20 divisors (see below), whose sum is σ = 2223782418196. Its totient is φ = 573755477760.

The previous prime is 1147634811469. The next prime is 1147634811503. The reversal of 1147634811472 is 2741184367411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 840514905616 + 307119905856 = 916796^2 + 554184^2 .

It is a congruent 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, 3717429 + ... + 4014292.

Almost surely, 2^{1147634811472} is an apocalyptic number.

It is an amenable number.

1147634811472 is a deficient number, since it is larger than the sum of its proper divisors (1076147606724).

1147634811472 is an equidigital number, since it uses as much as digits as its factorization.

1147634811472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741006 (or 7741000 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The spelling of 1147634811472 in words is "one trillion, one hundred forty-seven billion, six hundred thirty-four million, eight hundred eleven thousand, four hundred seventy-two".