15151331328 has 576 divisors, whose sum is σ = 52137146880. Its totient is φ = 3823632384.

The previous prime is 15151331323. The next prime is 15151331359. The reversal of 15151331328 is 82313315151.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15151331323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285874150 + ... + 285874202.

It is an arithmetic number, because the mean of its divisors is an integer number (90515880).

Almost surely, 2^15151331328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15151331328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26068573440).

15151331328 is an abundant number, since it is smaller than the sum of its proper divisors (36985815552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15151331328 is a wasteful number, since it uses less digits than its factorization.

15151331328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 105 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

Adding to 15151331328 its reverse (82313315151), we get a palindrome (97464646479).

The spelling of 15151331328 in words is "fifteen billion, one hundred fifty-one million, three hundred thirty-one thousand, three hundred twenty-eight".