2541562281660 has 24 divisors (see below), whose sum is σ = 7116374388816. Its totient is φ = 677749941760.

The previous prime is 2541562281623. The next prime is 2541562281673. The reversal of 2541562281660 is 661822651452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21179685621 + ... + 21179685740.

It is an arithmetic number, because the mean of its divisors is an integer number (296515599534).

Almost surely, 2^{2541562281660} is an apocalyptic number.

2541562281660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541562281660 is an abundant number, since it is smaller than the sum of its proper divisors (4574812107156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541562281660 is a wasteful number, since it uses less digits than its factorization.

2541562281660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42359371373 (or 42359371371 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 2541562281660 in words is "two trillion, five hundred forty-one billion, five hundred sixty-two million, two hundred eighty-one thousand, six hundred sixty".