1125654363440 has 20 divisors (see below), whose sum is σ = 2617146395184. Its totient is φ = 450261745344.

The previous prime is 1125654363419. The next prime is 1125654363467. The reversal of 1125654363440 is 443634565211.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1125654363391 and 1125654363400.

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, 7035339692 + ... + 7035339851.

Almost surely, 2^{1125654363440} is an apocalyptic number.

1125654363440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125654363440 is an abundant number, since it is smaller than the sum of its proper divisors (1491492031744).

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

1125654363440 is a wasteful number, since it uses less digits than its factorization.

1125654363440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14070679556 (or 14070679550 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 1125654363440 in words is "one trillion, one hundred twenty-five billion, six hundred fifty-four million, three hundred sixty-three thousand, four hundred forty".