15010421150540 has 144 divisors (see below), whose sum is σ = 32656494823680. Its totient is φ = 5794927142400.

The previous prime is 15010421150533. The next prime is 15010421150579. The reversal of 15010421150540 is 4505112401051.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5052311255 + ... + 5052314225.

Almost surely, 2^{15010421150540} is an apocalyptic number.

15010421150540 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 15010421150540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16328247411840).

15010421150540 is an abundant number, since it is smaller than the sum of its proper divisors (17646073673140).

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

15010421150540 is a wasteful number, since it uses less digits than its factorization.

15010421150540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624 (or 4581 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 15010421150540 its reverse (4505112401051), we get a palindrome (19515533551591).

The spelling of 15010421150540 in words is "fifteen trillion, ten billion, four hundred twenty-one million, one hundred fifty thousand, five hundred forty".