2545545640011 has 16 divisors (see below), whose sum is σ = 3749480348160. Its totient is φ = 1523226388320.

The previous prime is 2545545639979. The next prime is 2545545640069. The reversal of 2545545640011 is 1100465455452.

It is a happy number.

It is not a de Polignac number, because 2545545640011 - 2⁵ = 2545545639979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545545640111) 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, 488210980 + ... + 488216193.

It is an arithmetic number, because the mean of its divisors is an integer number (234342521760).

Almost surely, 2^{2545545640011} is an apocalyptic number.

2545545640011 is a deficient number, since it is larger than the sum of its proper divisors (1203934708149).

2545545640011 is a wasteful number, since it uses less digits than its factorization.

2545545640011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976427266.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 2545545640011 in words is "two trillion, five hundred forty-five billion, five hundred forty-five million, six hundred forty thousand, eleven".