15412891380 has 96 divisors (see below), whose sum is σ = 44382522240. Its totient is φ = 3994091520.

The previous prime is 15412891369. The next prime is 15412891391. The reversal of 15412891380 is 8319821451.

It is an interprime number because it is at equal distance from previous prime (15412891369) and next prime (15412891391).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620031 + ... + 644409.

It is an arithmetic number, because the mean of its divisors is an integer number (462317940).

Almost surely, 2^15412891380 is an apocalyptic number.

15412891380 is a gapful number since it is divisible by the number (10) 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 15412891380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22191261120).

15412891380 is an abundant number, since it is smaller than the sum of its proper divisors (28969630860).

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

15412891380 is a wasteful number, since it uses less digits than its factorization.

15412891380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24689 (or 24687 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 15412891380 in words is "fifteen billion, four hundred twelve million, eight hundred ninety-one thousand, three hundred eighty".