261415678714 has 8 divisors (see below), whose sum is σ = 392133564000. Its totient is φ = 130704490716.

The previous prime is 261415678697. The next prime is 261415678723. The reversal of 261415678714 is 417876514162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575574 + ... + 1733569.

It is an arithmetic number, because the mean of its divisors is an integer number (49016695500).

Almost surely, 2^261415678714 is an apocalyptic number.

261415678714 is a deficient number, since it is larger than the sum of its proper divisors (130717885286).

261415678714 is a wasteful number, since it uses less digits than its factorization.

261415678714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348644.

The product of its digits is 2257920, while the sum is 52.

The spelling of 261415678714 in words is "two hundred sixty-one billion, four hundred fifteen million, six hundred seventy-eight thousand, seven hundred fourteen".