15484290505 has 4 divisors (see below), whose sum is σ = 18581148612. Its totient is φ = 12387432400.

The previous prime is 15484290491. The next prime is 15484290539. The reversal of 15484290505 is 50509248451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50509248451 = 37 ⋅1365114823.

It can be written as a sum of positive squares in 2 ways, for example, as 8497336761 + 6986953744 = 92181^2 + 83588^2 .

It is not a de Polignac number, because 15484290505 - 2⁵ = 15484290473 is a prime.

It is a Duffinian 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, 1548429046 + ... + 1548429055.

It is an arithmetic number, because the mean of its divisors is an integer number (4645287153).

Almost surely, 2^15484290505 is an apocalyptic number.

It is an amenable number.

15484290505 is a deficient number, since it is larger than the sum of its proper divisors (3096858107).

15484290505 is an equidigital number, since it uses as much as digits as its factorization.

15484290505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096858106.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 15484290505 in words is "fifteen billion, four hundred eighty-four million, two hundred ninety thousand, five hundred five".