2611540342 has 4 divisors (see below), whose sum is σ = 3917310516. Its totient is φ = 1305770170.

The previous prime is 2611540339. The next prime is 2611540397. The reversal of 2611540342 is 2430451162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2430451162 = 2 ⋅1215225581.

It is a self number, because there is not a number n which added to its sum of digits gives 2611540342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652885084 + ... + 652885087.

It is an arithmetic number, because the mean of its divisors is an integer number (979327629).

Almost surely, 2^2611540342 is an apocalyptic number.

2611540342 is a deficient number, since it is larger than the sum of its proper divisors (1305770174).

2611540342 is a wasteful number, since it uses less digits than its factorization.

2611540342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305770173.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2611540342 is about 51103.2322069749. The cubic root of 2611540342 is about 1377.1003214836.

The spelling of 2611540342 in words is "two billion, six hundred eleven million, five hundred forty thousand, three hundred forty-two".