1056173659840 has 112 divisors (see below), whose sum is σ = 2851027693920. Its totient is φ = 369446952960.

The previous prime is 1056173659837. The next prime is 1056173659843. The reversal of 1056173659840 is 489563716501.

It is an interprime number because it is at equal distance from previous prime (1056173659837) and next prime (1056173659843).

It is a super-2 number, since 2×1056173659840² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056173659843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6602221 + ... + 6760300.

It is an arithmetic number, because the mean of its divisors is an integer number (25455604410).

Almost surely, 2^{1056173659840} is an apocalyptic number.

1056173659840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056173659840 is an abundant number, since it is smaller than the sum of its proper divisors (1794854034080).

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

1056173659840 is a wasteful number, since it uses less digits than its factorization.

1056173659840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13362570 (or 13362560 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 1056173659840 in words is "one trillion, fifty-six billion, one hundred seventy-three million, six hundred fifty-nine thousand, eight hundred forty".