1125402216464 has 20 divisors (see below), whose sum is σ = 2182432984620. Its totient is φ = 562193704320.

The previous prime is 1125402216413. The next prime is 1125402216529. The reversal of 1125402216464 is 4646122045211.

It can be written as a sum of positive squares in 2 ways, for example, as 88263656464 + 1037138560000 = 297092^2 + 1018400^2 .

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, 31694447 + ... + 31729934.

It is an arithmetic number, because the mean of its divisors is an integer number (109121649231).

Almost surely, 2^{1125402216464} is an apocalyptic number.

It is an amenable number.

1125402216464 is a deficient number, since it is larger than the sum of its proper divisors (1057030768156).

1125402216464 is a wasteful number, since it uses less digits than its factorization.

1125402216464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63425498 (or 63425492 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 1125402216464 in words is "one trillion, one hundred twenty-five billion, four hundred two million, two hundred sixteen thousand, four hundred sixty-four".