15445315112032 has 48 divisors (see below), whose sum is σ = 32832540034560. Its totient is φ = 7109994350592.

The previous prime is 15445315111999. The next prime is 15445315112033. The reversal of 15445315112032 is 23021151354451.

It is a super-2 number, since 2×15445315112032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15445315111982 and 15445315112000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15445315112033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48310857 + ... + 48629512.

It is an arithmetic number, because the mean of its divisors is an integer number (684011250720).

Almost surely, 2^{15445315112032} is an apocalyptic number.

It is an amenable number.

15445315112032 is an abundant number, since it is smaller than the sum of its proper divisors (17387224922528).

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

15445315112032 is a wasteful number, since it uses less digits than its factorization.

15445315112032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96940775 (or 96940767 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 15445315112032 its reverse (23021151354451), we get a palindrome (38466466466483).

The spelling of 15445315112032 in words is "fifteen trillion, four hundred forty-five billion, three hundred fifteen million, one hundred twelve thousand, thirty-two".