215025130104 has 32 divisors (see below), whose sum is σ = 537620450640. Its totient is φ = 71667360000.

The previous prime is 215025130097. The next prime is 215025130127. The reversal of 215025130104 is 401031520512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249397 + ... + 701604.

Almost surely, 2^215025130104 is an apocalyptic number.

215025130104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

215025130104 is an abundant number, since it is smaller than the sum of its proper divisors (322595320536).

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

215025130104 is a wasteful number, since it uses less digits than its factorization.

215025130104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960431 (or 960427 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 215025130104 its reverse (401031520512), we get a palindrome (616056650616).

The spelling of 215025130104 in words is "two hundred fifteen billion, twenty-five million, one hundred thirty thousand, one hundred four".