1955056882580 has 12 divisors (see below), whose sum is σ = 4105619453460. Its totient is φ = 782022753024.

The previous prime is 1955056882553. The next prime is 1955056882589. The reversal of 1955056882580 is 852886505591.

It can be written as a sum of positive squares in 2 ways, for example, as 1012844985604 + 942211896976 = 1006402^2 + 970676^2 .

It is a super-3 number, since 3×1955056882580³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955056882589) 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, 48876422045 + ... + 48876422084.

It is an arithmetic number, because the mean of its divisors is an integer number (342134954455).

Almost surely, 2^{1955056882580} is an apocalyptic number.

1955056882580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1955056882580 is an abundant number, since it is smaller than the sum of its proper divisors (2150562570880).

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

1955056882580 is a wasteful number, since it uses less digits than its factorization.

1955056882580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97752844138 (or 97752844136 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 62.

The spelling of 1955056882580 in words is "one trillion, nine hundred fifty-five billion, fifty-six million, eight hundred eighty-two thousand, five hundred eighty".