15225051513 has 12 divisors (see below), whose sum is σ = 23614365840. Its totient is φ = 8700029352.

The previous prime is 15225051473. The next prime is 15225051529. The reversal of 15225051513 is 31515052251.

It is not a de Polignac number, because 15225051513 - 2¹² = 15225047417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15225051553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51785743 + ... + 51786036.

It is an arithmetic number, because the mean of its divisors is an integer number (1967863820).

Almost surely, 2^15225051513 is an apocalyptic number.

It is an amenable number.

15225051513 is a deficient number, since it is larger than the sum of its proper divisors (8389314327).

15225051513 is a wasteful number, since it uses less digits than its factorization.

15225051513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103571796 (or 103571789 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 15225051513 in words is "fifteen billion, two hundred twenty-five million, fifty-one thousand, five hundred thirteen".