1255668431475 has 24 divisors (see below), whose sum is σ = 2076152671792. Its totient is φ = 669652992000.

The previous prime is 1255668431471. The next prime is 1255668431509. The reversal of 1255668431475 is 5741348665521.

It is not a de Polignac number, because 1255668431475 - 2² = 1255668431471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255668431471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 940275 + ... + 1842675.

Almost surely, 2^{1255668431475} is an apocalyptic number.

1255668431475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1255668431475 is a deficient number, since it is larger than the sum of its proper divisors (820484240317).

1255668431475 is a wasteful number, since it uses less digits than its factorization.

1255668431475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920967 (or 920962 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 57.

The spelling of 1255668431475 in words is "one trillion, two hundred fifty-five billion, six hundred sixty-eight million, four hundred thirty-one thousand, four hundred seventy-five".