255100773557 has 16 divisors (see below), whose sum is σ = 306910656000. Its totient is φ = 207134308080.

The previous prime is 255100773523. The next prime is 255100773583. The reversal of 255100773557 is 755377001552.

It is not a de Polignac number, because 255100773557 - 2¹⁶ = 255100708021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255100773757) 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, 1972082 + ... + 2097452.

It is an arithmetic number, because the mean of its divisors is an integer number (19181916000).

Almost surely, 2^255100773557 is an apocalyptic number.

It is an amenable number.

255100773557 is a deficient number, since it is larger than the sum of its proper divisors (51809882443).

255100773557 is a wasteful number, since it uses less digits than its factorization.

255100773557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140696.

The product of its (nonzero) digits is 1286250, while the sum is 47.

The spelling of 255100773557 in words is "two hundred fifty-five billion, one hundred million, seven hundred seventy-three thousand, five hundred fifty-seven".