15461701617 has 4 divisors (see below), whose sum is σ = 20615602160. Its totient is φ = 10307801076.

The previous prime is 15461701597. The next prime is 15461701657. The reversal of 15461701617 is 71610716451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15461701617 - 2⁶ = 15461701553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15461701657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2576950267 + ... + 2576950272.

It is an arithmetic number, because the mean of its divisors is an integer number (5153900540).

Almost surely, 2^15461701617 is an apocalyptic number.

It is an amenable number.

15461701617 is a deficient number, since it is larger than the sum of its proper divisors (5153900543).

15461701617 is an equidigital number, since it uses as much as digits as its factorization.

15461701617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153900542.

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 15461701617 in words is "fifteen billion, four hundred sixty-one million, seven hundred one thousand, six hundred seventeen".