15213485365 has 16 divisors (see below), whose sum is σ = 19801958400. Its totient is φ = 11153742912.

The previous prime is 15213485363. The next prime is 15213485369. The reversal of 15213485365 is 56358431251.

It is not a de Polignac number, because 15213485365 - 2¹ = 15213485363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15213485363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832885 + ... + 850954.

It is an arithmetic number, because the mean of its divisors is an integer number (1237622400).

Almost surely, 2^15213485365 is an apocalyptic number.

It is an amenable number.

15213485365 is a deficient number, since it is larger than the sum of its proper divisors (4588473035).

15213485365 is a wasteful number, since it uses less digits than its factorization.

15213485365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683996.

The product of its digits is 432000, while the sum is 43.

The spelling of 15213485365 in words is "fifteen billion, two hundred thirteen million, four hundred eighty-five thousand, three hundred sixty-five".