15135452047 has 4 divisors (see below), whose sum is σ = 15504609456. Its totient is φ = 14766294640.

The previous prime is 15135452039. The next prime is 15135452063. The reversal of 15135452047 is 74025453151.

15135452047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15135452047 - 2³ = 15135452039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15135451997 and 15135452015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15135452077) by changing a digit.

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, 184578643 + ... + 184578724.

It is an arithmetic number, because the mean of its divisors is an integer number (3876152364).

Almost surely, 2^15135452047 is an apocalyptic number.

15135452047 is a deficient number, since it is larger than the sum of its proper divisors (369157409).

15135452047 is an equidigital number, since it uses as much as digits as its factorization.

15135452047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369157408.

The product of its (nonzero) digits is 84000, while the sum is 37.

It can be divided in two parts, 151354 and 52047, that added together give a square (203401 = 451²).

The spelling of 15135452047 in words is "fifteen billion, one hundred thirty-five million, four hundred fifty-two thousand, forty-seven".