1125644584860 has 96 divisors (see below), whose sum is σ = 3534134049600. Its totient is φ = 297418003200.

The previous prime is 1125644584817. The next prime is 1125644584901. The reversal of 1125644584860 is 684854465211.

1125644584860 is a `hidden beast` number, since 1 + 1 + 2 + 56 + 4 + 4 + 584 + 8 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1125644584797 and 1125644584806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9503191 + ... + 9620910.

It is an arithmetic number, because the mean of its divisors is an integer number (36813896350).

Almost surely, 2^{1125644584860} is an apocalyptic number.

1125644584860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125644584860 is an abundant number, since it is smaller than the sum of its proper divisors (2408489464740).

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

1125644584860 is a wasteful number, since it uses less digits than its factorization.

1125644584860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124228 (or 19124220 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 1125644584860 in words is "one trillion, one hundred twenty-five billion, six hundred forty-four million, five hundred eighty-four thousand, eight hundred sixty".