15103252131132 has 96 divisors (see below), whose sum is σ = 38823917932800. Its totient is φ = 4531635205120.

The previous prime is 15103252131053. The next prime is 15103252131137. The reversal of 15103252131132 is 23113125230151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15103252131132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15103252131137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27253348 + ... + 27802004.

It is an arithmetic number, because the mean of its divisors is an integer number (404415811800).

Almost surely, 2^{15103252131132} is an apocalyptic number.

15103252131132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15103252131132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19411958966400).

15103252131132 is an abundant number, since it is smaller than the sum of its proper divisors (23720665801668).

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

15103252131132 is a wasteful number, since it uses less digits than its factorization.

15103252131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550731 (or 550729 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 15103252131132 its reverse (23113125230151), we get a palindrome (38216377361283).

The spelling of 15103252131132 in words is "fifteen trillion, one hundred three billion, two hundred fifty-two million, one hundred thirty-one thousand, one hundred thirty-two".