2561485315514 has 32 divisors (see below), whose sum is σ = 4071078835200. Its totient is φ = 1205372476080.

The previous prime is 2561485315511. The next prime is 2561485315523. The reversal of 2561485315514 is 4155135841652.

It is a super-3 number, since 3×2561485315514³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2561485315511) 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, 3214997 + ... + 3931815.

It is an arithmetic number, because the mean of its divisors is an integer number (127221213600).

Almost surely, 2^{2561485315514} is an apocalyptic number.

2561485315514 is a deficient number, since it is larger than the sum of its proper divisors (1509593519686).

2561485315514 is a wasteful number, since it uses less digits than its factorization.

2561485315514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717458.

The product of its digits is 2880000, while the sum is 50.

The spelling of 2561485315514 in words is "two trillion, five hundred sixty-one billion, four hundred eighty-five million, three hundred fifteen thousand, five hundred fourteen".