1255005021350 has 12 divisors (see below), whose sum is σ = 2334309339804. Its totient is φ = 502002008520.

The previous prime is 1255005021313. The next prime is 1255005021371. The reversal of 1255005021350 is 531205005521.

It is a super-2 number, since 2×1255005021350² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12550050164 + ... + 12550050263.

It is an arithmetic number, because the mean of its divisors is an integer number (194525778317).

Almost surely, 2^{1255005021350} is an apocalyptic number.

1255005021350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255005021350 is a deficient number, since it is larger than the sum of its proper divisors (1079304318454).

1255005021350 is a wasteful number, since it uses less digits than its factorization.

1255005021350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25100100439 (or 25100100434 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 1255005021350 in words is "one trillion, two hundred fifty-five billion, five million, twenty-one thousand, three hundred fifty".