1146847978132 has 12 divisors (see below), whose sum is σ = 2008190818816. Its totient is φ = 573079172760.

The previous prime is 1146847978123. The next prime is 1146847978169. The reversal of 1146847978132 is 2318797486411.

It is a happy number.

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, 86196594 + ... + 86209897.

Almost surely, 2^{1146847978132} is an apocalyptic number.

It is an amenable number.

1146847978132 is a deficient number, since it is larger than the sum of its proper divisors (861342840684).

1146847978132 is a wasteful number, since it uses less digits than its factorization.

1146847978132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172408158 (or 172408156 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 61.

The spelling of 1146847978132 in words is "one trillion, one hundred forty-six billion, eight hundred forty-seven million, nine hundred seventy-eight thousand, one hundred thirty-two".