2505607156742 has 8 divisors (see below), whose sum is σ = 3764992892232. Its totient is φ = 1250609526000.

The previous prime is 2505607156733. The next prime is 2505607156841. The reversal of 2505607156742 is 2476517065052.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097024759 + ... + 1097027042.

It is an arithmetic number, because the mean of its divisors is an integer number (470624111529).

Almost surely, 2^{2505607156742} is an apocalyptic number.

2505607156742 is a deficient number, since it is larger than the sum of its proper divisors (1259385735490).

2505607156742 is a wasteful number, since it uses less digits than its factorization.

2505607156742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194052374.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 2505607156742 in words is "two trillion, five hundred five billion, six hundred seven million, one hundred fifty-six thousand, seven hundred forty-two".