15016541220402 has 32 divisors (see below), whose sum is σ = 31920700830720. Its totient is φ = 4696026172560.

The previous prime is 15016541220379. The next prime is 15016541220403. The reversal of 15016541220402 is 20402214561051.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15016541220403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639425374 + ... + 639448857.

It is an arithmetic number, because the mean of its divisors is an integer number (997521900960).

Almost surely, 2^{15016541220402} is an apocalyptic number.

15016541220402 is an abundant number, since it is smaller than the sum of its proper divisors (16904159610318).

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

15016541220402 is a wasteful number, since it uses less digits than its factorization.

15016541220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278874358.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 15016541220402 its reverse (20402214561051), we get a palindrome (35418755781453).

The spelling of 15016541220402 in words is "fifteen trillion, sixteen billion, five hundred forty-one million, two hundred twenty thousand, four hundred two".