2542131234345 has 64 divisors (see below), whose sum is σ = 4328743680000. Its totient is φ = 1270307690496.

The previous prime is 2542131234337. The next prime is 2542131234359. The reversal of 2542131234345 is 5434321312452.

It is a happy number.

It is not a de Polignac number, because 2542131234345 - 2³ = 2542131234337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18196921 + ... + 18336089.

It is an arithmetic number, because the mean of its divisors is an integer number (67636620000).

Almost surely, 2^{2542131234345} is an apocalyptic number.

It is an amenable number.

2542131234345 is a deficient number, since it is larger than the sum of its proper divisors (1786612445655).

2542131234345 is a wasteful number, since it uses less digits than its factorization.

2542131234345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139902.

The product of its digits is 345600, while the sum is 39.

Adding to 2542131234345 its reverse (5434321312452), we get a palindrome (7976452546797).

The spelling of 2542131234345 in words is "two trillion, five hundred forty-two billion, one hundred thirty-one million, two hundred thirty-four thousand, three hundred forty-five".