15225712213 has 8 divisors (see below), whose sum is σ = 15246466560. Its totient is φ = 15204974400.

The previous prime is 15225712207. The next prime is 15225712219. The reversal of 15225712213 is 31221752251.

It is an interprime number because it is at equal distance from previous prime (15225712207) and next prime (15225712219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15225712213 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 (15225712219) 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 7 ways as a sum of consecutive naturals, for example, 3658828 + ... + 3662986.

It is an arithmetic number, because the mean of its divisors is an integer number (1905808320).

Almost surely, 2^15225712213 is an apocalyptic number.

It is an amenable number.

15225712213 is a deficient number, since it is larger than the sum of its proper divisors (20754347).

15225712213 is a wasteful number, since it uses less digits than its factorization.

15225712213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267.

The product of its digits is 8400, while the sum is 31.

The spelling of 15225712213 in words is "fifteen billion, two hundred twenty-five million, seven hundred twelve thousand, two hundred thirteen".