7561966890142 has 8 divisors (see below), whose sum is σ = 12963371811696. Its totient is φ = 3240842952912.

The previous prime is 7561966890139. The next prime is 7561966890169. The reversal of 7561966890142 is 2410986691657.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270070246063 + ... + 270070246090.

It is an arithmetic number, because the mean of its divisors is an integer number (1620421476462).

Almost surely, 2^{7561966890142} is an apocalyptic number.

7561966890142 is a deficient number, since it is larger than the sum of its proper divisors (5401404921554).

7561966890142 is a wasteful number, since it uses less digits than its factorization.

7561966890142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540140492162.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 7561966890142 in words is "seven trillion, five hundred sixty-one billion, nine hundred sixty-six million, eight hundred ninety thousand, one hundred forty-two".