2664526131245 has 16 divisors (see below), whose sum is σ = 3540168237888. Its totient is φ = 1908914240640.

The previous prime is 2664526131149. The next prime is 2664526131247. The reversal of 2664526131245 is 5421316254662.

It is not a de Polignac number, because 2664526131245 - 2¹⁸ = 2664525869101 is a prime.

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 2664526131245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664526131247) 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, 361533104 + ... + 361540473.

It is an arithmetic number, because the mean of its divisors is an integer number (221260514868).

Almost surely, 2^{2664526131245} is an apocalyptic number.

It is an amenable number.

2664526131245 is a deficient number, since it is larger than the sum of its proper divisors (875642106643).

2664526131245 is a wasteful number, since it uses less digits than its factorization.

2664526131245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723073660.

The product of its digits is 2073600, while the sum is 47.

The spelling of 2664526131245 in words is "two trillion, six hundred sixty-four billion, five hundred twenty-six million, one hundred thirty-one thousand, two hundred forty-five".