1255118522685 has 32 divisors (see below), whose sum is σ = 2118699264000. Its totient is φ = 632720517696.

The previous prime is 1255118522683. The next prime is 1255118522687. The reversal of 1255118522685 is 5862258115521.

It is an interprime number because it is at equal distance from previous prime (1255118522683) and next prime (1255118522687).

It is not a de Polignac number, because 1255118522685 - 2¹ = 1255118522683 is a prime.

It is a super-3 number, since 3×1255118522685³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255118522683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4890745 + ... + 5140974.

It is an arithmetic number, because the mean of its divisors is an integer number (66209352000).

Almost surely, 2^{1255118522685} is an apocalyptic number.

1255118522685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255118522685 is a deficient number, since it is larger than the sum of its proper divisors (863580741315).

1255118522685 is a wasteful number, since it uses less digits than its factorization.

1255118522685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032185.

The product of its digits is 1920000, while the sum is 51.

The spelling of 1255118522685 in words is "one trillion, two hundred fifty-five billion, one hundred eighteen million, five hundred twenty-two thousand, six hundred eighty-five".