2542051664055 has 48 divisors (see below), whose sum is σ = 4701665485920. Its totient is φ = 1266810430464.

The previous prime is 2542051664051. The next prime is 2542051664081. The reversal of 2542051664055 is 5504661502452.

2542051664055 is a `hidden beast` number, since 2 + 5 + 4 + 20 + 516 + 64 + 0 + 55 = 666.

It is not a de Polignac number, because 2542051664055 - 2² = 2542051664051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2542051664055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542051664051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20301694 + ... + 20426523.

It is an arithmetic number, because the mean of its divisors is an integer number (97951364290).

Almost surely, 2^{2542051664055} is an apocalyptic number.

2542051664055 is a deficient number, since it is larger than the sum of its proper divisors (2159613821865).

2542051664055 is a wasteful number, since it uses less digits than its factorization.

2542051664055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40728320 (or 40728317 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 2542051664055 in words is "two trillion, five hundred forty-two billion, fifty-one million, six hundred sixty-four thousand, fifty-five".