255403737087745 has 16 divisors (see below), whose sum is σ = 308901940328448. Its totient is φ = 202711396124160.

The previous prime is 255403737087743. The next prime is 255403737087757. The reversal of 255403737087745 is 547780737304552.

It is not a de Polignac number, because 255403737087745 - 2¹ = 255403737087743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255403737087743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44747025 + ... + 50130865.

It is an arithmetic number, because the mean of its divisors is an integer number (19306371270528).

Almost surely, 2^{255403737087745} is an apocalyptic number.

It is an amenable number.

255403737087745 is a deficient number, since it is larger than the sum of its proper divisors (53498203240703).

255403737087745 is a wasteful number, since it uses less digits than its factorization.

255403737087745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458680.

The product of its (nonzero) digits is 691488000, while the sum is 67.

The spelling of 255403737087745 in words is "two hundred fifty-five trillion, four hundred three billion, seven hundred thirty-seven million, eighty-seven thousand, seven hundred forty-five".