1255038871725 has 48 divisors (see below), whose sum is σ = 2308335044800. Its totient is φ = 668546343360.

The previous prime is 1255038871679. The next prime is 1255038871727. The reversal of 1255038871725 is 5271788305521.

It is a happy number.

1255038871725 is a `hidden beast` number, since 1 + 2 + 550 + 3 + 8 + 87 + 1 + 7 + 2 + 5 = 666.

It is not a de Polignac number, because 1255038871725 - 2⁶ = 1255038871661 is a prime.

It is a super-2 number, since 2×1255038871725² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255038871727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 561847 + ... + 1680996.

Almost surely, 2^{1255038871725} is an apocalyptic number.

1255038871725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255038871725 is a deficient number, since it is larger than the sum of its proper divisors (1053296173075).

1255038871725 is a wasteful number, since it uses less digits than its factorization.

1255038871725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243691 (or 2243680 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 1255038871725 in words is "one trillion, two hundred fifty-five billion, thirty-eight million, eight hundred seventy-one thousand, seven hundred twenty-five".