1255390371360 has 672 divisors, whose sum is σ = 4694685428160. Its totient is φ = 316211226624.

The previous prime is 1255390371353. The next prime is 1255390371397. The reversal of 1255390371360 is 631730935521.

1255390371360 is a `hidden beast` number, since 1 + 2 + 553 + 9 + 0 + 37 + 1 + 3 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1034946114 + ... + 1034947326.

It is an arithmetic number, because the mean of its divisors is an integer number (6986139030).

Almost surely, 2^{1255390371360} is an apocalyptic number.

1255390371360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255390371360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347342714080).

1255390371360 is an abundant number, since it is smaller than the sum of its proper divisors (3439295056800).

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

1255390371360 is a wasteful number, since it uses less digits than its factorization.

1255390371360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 1255390371360 in words is "one trillion, two hundred fifty-five billion, three hundred ninety million, three hundred seventy-one thousand, three hundred sixty".