255507708403 has 2 divisors, whose sum is σ = 255507708404. Its totient is φ = 255507708402.

The previous prime is 255507708397. The next prime is 255507708437. The reversal of 255507708403 is 304807705552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255507708403 - 2³³ = 246917773811 is a prime.

It is not a weakly prime, because it can be changed into another prime (255507708103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127753854201 + 127753854202.

It is an arithmetic number, because the mean of its divisors is an integer number (127753854202).

Almost surely, 2^255507708403 is an apocalyptic number.

255507708403 is a deficient number, since it is larger than the sum of its proper divisors (1).

255507708403 is an equidigital number, since it uses as much as digits as its factorization.

255507708403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 255507708403 in words is "two hundred fifty-five billion, five hundred seven million, seven hundred eight thousand, four hundred three".