2615666557142 has 16 divisors (see below), whose sum is σ = 3976266030480. Its totient is φ = 1290308857728.

The previous prime is 2615666557111. The next prime is 2615666557199. The reversal of 2615666557142 is 2417556665162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15996068 + ... + 16158759.

It is an arithmetic number, because the mean of its divisors is an integer number (248516626905).

Almost surely, 2^{2615666557142} is an apocalyptic number.

2615666557142 is a deficient number, since it is larger than the sum of its proper divisors (1360599473338).

2615666557142 is a wasteful number, since it uses less digits than its factorization.

2615666557142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32155375.

The product of its digits is 18144000, while the sum is 56.

The spelling of 2615666557142 in words is "two trillion, six hundred fifteen billion, six hundred sixty-six million, five hundred fifty-seven thousand, one hundred forty-two".