1145555432012 has 12 divisors (see below), whose sum is σ = 2010466197600. Its totient is φ = 571136518416.

The previous prime is 1145555432003. The next prime is 1145555432027. The reversal of 1145555432012 is 2102345555411.

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, 410297828 + ... + 410300619.

It is an arithmetic number, because the mean of its divisors is an integer number (167538849800).

Almost surely, 2^{1145555432012} is an apocalyptic number.

It is an amenable number.

1145555432012 is a deficient number, since it is larger than the sum of its proper divisors (864910765588).

1145555432012 is a wasteful number, since it uses less digits than its factorization.

1145555432012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820598800 (or 820598798 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 1145555432012 in words is "one trillion, one hundred forty-five billion, five hundred fifty-five million, four hundred thirty-two thousand, twelve".