1255102141620 has 24 divisors (see below), whose sum is σ = 3514285996704. Its totient is φ = 334693904416.

The previous prime is 1255102141609. The next prime is 1255102141633. The reversal of 1255102141620 is 261412015521.

It is a super-2 number, since 2×1255102141620² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10459184454 + ... + 10459184573.

It is an arithmetic number, because the mean of its divisors is an integer number (146428583196).

Almost surely, 2^{1255102141620} is an apocalyptic number.

1255102141620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255102141620 is an abundant number, since it is smaller than the sum of its proper divisors (2259183855084).

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

1255102141620 is a wasteful number, since it uses less digits than its factorization.

1255102141620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20918369039 (or 20918369037 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 1255102141620 in words is "one trillion, two hundred fifty-five billion, one hundred two million, one hundred forty-one thousand, six hundred twenty".