1045407793612 has 144 divisors (see below), whose sum is σ = 2335240165440. Its totient is φ = 398745192960.

The previous prime is 1045407793609. The next prime is 1045407793613. The reversal of 1045407793612 is 2163977045401.

It is not an unprimeable number, because it can be changed into a prime (1045407793613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96890314 + ... + 96901102.

Almost surely, 2^{1045407793612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045407793612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167620082720).

1045407793612 is an abundant number, since it is smaller than the sum of its proper divisors (1289832371828).

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

1045407793612 is a wasteful number, since it uses less digits than its factorization.

1045407793612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152 (or 11119 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 1045407793612 in words is "one trillion, forty-five billion, four hundred seven million, seven hundred ninety-three thousand, six hundred twelve".