15294461320661 has 16 divisors (see below), whose sum is σ = 16293957773184. Its totient is φ = 14306061348864.

The previous prime is 15294461320601. The next prime is 15294461320667. The reversal of 15294461320661 is 16602316449251.

It is a cyclic number.

It is not a de Polignac number, because 15294461320661 - 2¹⁴ = 15294461304277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15294461320667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139872536 + ... + 139981838.

It is an arithmetic number, because the mean of its divisors is an integer number (1018372360824).

Almost surely, 2^{15294461320661} is an apocalyptic number.

It is an amenable number.

15294461320661 is a deficient number, since it is larger than the sum of its proper divisors (999496452523).

15294461320661 is a wasteful number, since it uses less digits than its factorization.

15294461320661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159980.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 15294461320661 in words is "fifteen trillion, two hundred ninety-four billion, four hundred sixty-one million, three hundred twenty thousand, six hundred sixty-one".