1575378883488 has 48 divisors (see below), whose sum is σ = 4197091520160. Its totient is φ = 517288586496.

The previous prime is 1575378883483. The next prime is 1575378883511. The reversal of 1575378883488 is 8843888735751.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1575378883488² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1575378883483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122457723 + ... + 122470586.

It is an arithmetic number, because the mean of its divisors is an integer number (87439406670).

Almost surely, 2^{1575378883488} is an apocalyptic number.

It is an amenable number.

1575378883488 is an abundant number, since it is smaller than the sum of its proper divisors (2621712636672).

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

1575378883488 is a wasteful number, since it uses less digits than its factorization.

1575378883488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244928389 (or 244928381 counting only the distinct ones).

The product of its digits is 1445068800, while the sum is 75.

The spelling of 1575378883488 in words is "one trillion, five hundred seventy-five billion, three hundred seventy-eight million, eight hundred eighty-three thousand, four hundred eighty-eight".