1056551107120 has 20 divisors (see below), whose sum is σ = 2456481324240. Its totient is φ = 422620442816.

The previous prime is 1056551107067. The next prime is 1056551107121. The reversal of 1056551107120 is 217011556501.

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

It is a super-2 number, since 2×1056551107120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056551107121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6603444340 + ... + 6603444499.

It is an arithmetic number, because the mean of its divisors is an integer number (122824066212).

Almost surely, 2^{1056551107120} is an apocalyptic number.

1056551107120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056551107120 is an abundant number, since it is smaller than the sum of its proper divisors (1399930217120).

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

1056551107120 is a wasteful number, since it uses less digits than its factorization.

1056551107120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13206888852 (or 13206888846 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 34.

The spelling of 1056551107120 in words is "one trillion, fifty-six billion, five hundred fifty-one million, one hundred seven thousand, one hundred twenty".