2542306542545 has 16 divisors (see below), whose sum is σ = 3803554723968. Its totient is φ = 1584814467840.

The previous prime is 2542306542499. The next prime is 2542306542547. The reversal of 2542306542545 is 5452456032452.

It is not a de Polignac number, because 2542306542545 - 2¹⁴ = 2542306526161 is a prime.

It is a super-2 number, since 2×2542306542545² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2542306542545.

It is not an unprimeable number, because it can be changed into a prime (2542306542547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301696424 + ... + 3301697193.

It is an arithmetic number, because the mean of its divisors is an integer number (237722170248).

Almost surely, 2^{2542306542545} is an apocalyptic number.

It is an amenable number.

2542306542545 is a deficient number, since it is larger than the sum of its proper divisors (1261248181423).

2542306542545 is a wasteful number, since it uses less digits than its factorization.

2542306542545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603393640.

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 2542306542545 in words is "two trillion, five hundred forty-two billion, three hundred six million, five hundred forty-two thousand, five hundred forty-five".