15215145014 has 16 divisors (see below), whose sum is σ = 24053153280. Its totient is φ = 7198401960.

The previous prime is 15215144969. The next prime is 15215145037. The reversal of 15215145014 is 41054151251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211982 + ... + 274529.

It is an arithmetic number, because the mean of its divisors is an integer number (1503322080).

Almost surely, 2^15215145014 is an apocalyptic number.

15215145014 is a deficient number, since it is larger than the sum of its proper divisors (8838008266).

15215145014 is a wasteful number, since it uses less digits than its factorization.

15215145014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487355.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 15215145014 its reverse (41054151251), we get a palindrome (56269296265).

The spelling of 15215145014 in words is "fifteen billion, two hundred fifteen million, one hundred forty-five thousand, fourteen".