15415148412 has 144 divisors (see below), whose sum is σ = 44442058752. Its totient is φ = 4476510720.

The previous prime is 15415148377. The next prime is 15415148417. The reversal of 15415148412 is 21484151451.

15415148412 is a `hidden beast` number, since 1 + 54 + 1 + 514 + 84 + 12 = 666.

It is a super-2 number, since 2×15415148412² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15415148417) 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, 418693 + ... + 454019.

It is an arithmetic number, because the mean of its divisors is an integer number (308625408).

Almost surely, 2^15415148412 is an apocalyptic number.

15415148412 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 15415148412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22221029376).

15415148412 is an abundant number, since it is smaller than the sum of its proper divisors (29026910340).

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

15415148412 is a wasteful number, since it uses less digits than its factorization.

15415148412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35408 (or 35403 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

Adding to 15415148412 its reverse (21484151451), we get a palindrome (36899299863).

The spelling of 15415148412 in words is "fifteen billion, four hundred fifteen million, one hundred forty-eight thousand, four hundred twelve".