215015401204000 has 96 divisors (see below), whose sum is σ = 545334545613312. Its totient is φ = 83231768160000.

The previous prime is 215015401203947. The next prime is 215015401204007. The reversal of 215015401204000 is 402104510512.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (215015401204007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 866873586 + ... + 867121585.

It is an arithmetic number, because the mean of its divisors is an integer number (5680568183472).

Almost surely, 2^{215015401204000} is an apocalyptic number.

215015401204000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215015401204000 is an abundant number, since it is smaller than the sum of its proper divisors (330319144409312).

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

215015401204000 is a wasteful number, since it uses less digits than its factorization.

215015401204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733995227 (or 1733995209 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 215015401204000 its reverse (402104510512), we get a palindrome (215417505714512).

The spelling of 215015401204000 in words is "two hundred fifteen trillion, fifteen billion, four hundred one million, two hundred four thousand".