1255225350000 has 120 divisors (see below), whose sum is σ = 4053072930480. Its totient is φ = 334726720000.

The previous prime is 1255225349969. The next prime is 1255225350019. The reversal of 1255225350000 is 535225521.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1255225350000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4034085 + ... + 4334084.

It is an arithmetic number, because the mean of its divisors is an integer number (33775607754).

Almost surely, 2^{1255225350000} is an apocalyptic number.

1255225350000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255225350000 is an abundant number, since it is smaller than the sum of its proper divisors (2797847580480).

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

1255225350000 is an frugal number, since it uses more digits than its factorization.

1255225350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368205 (or 8368179 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 1255225350000 in words is "one trillion, two hundred fifty-five billion, two hundred twenty-five million, three hundred fifty thousand".