100215354425 has 24 divisors (see below), whose sum is σ = 124954752384. Its totient is φ = 79729660160.

The previous prime is 100215354311. The next prime is 100215354457. The reversal of 100215354425 is 524453512001.

It is not a de Polignac number, because 100215354425 - 2¹⁸ = 100215092281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100215354391 and 100215354400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3886124 + ... + 3911826.

It is an arithmetic number, because the mean of its divisors is an integer number (5206448016).

Almost surely, 2^100215354425 is an apocalyptic number.

It is an amenable number.

100215354425 is a deficient number, since it is larger than the sum of its proper divisors (24739397959).

100215354425 is a wasteful number, since it uses less digits than its factorization.

100215354425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26569 (or 26564 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 100215354425 its reverse (524453512001), we get a palindrome (624668866426).

The spelling of 100215354425 in words is "one hundred billion, two hundred fifteen million, three hundred fifty-four thousand, four hundred twenty-five".