2527315781057 has 4 divisors (see below), whose sum is σ = 2527854544176. Its totient is φ = 2526777017940.

The previous prime is 2527315781041. The next prime is 2527315781059. The reversal of 2527315781057 is 7501875137252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2527315781057 - 2⁴ = 2527315781041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2527315781059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269374523 + ... + 269383904.

It is an arithmetic number, because the mean of its divisors is an integer number (631963636044).

Almost surely, 2^{2527315781057} is an apocalyptic number.

It is an amenable number.

2527315781057 is a deficient number, since it is larger than the sum of its proper divisors (538763119).

2527315781057 is an equidigital number, since it uses as much as digits as its factorization.

2527315781057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538763118.

The product of its (nonzero) digits is 4116000, while the sum is 53.

The spelling of 2527315781057 in words is "two trillion, five hundred twenty-seven billion, three hundred fifteen million, seven hundred eighty-one thousand, fifty-seven".