2153551415204 has 24 divisors (see below), whose sum is σ = 4560461821440. Its totient is φ = 868659394176.

The previous prime is 2153551415189. The next prime is 2153551415209. The reversal of 2153551415204 is 4025141553512.

It is not an unprimeable number, because it can be changed into a prime (2153551415209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262133364 + ... + 2262134315.

It is an arithmetic number, because the mean of its divisors is an integer number (190019242560).

Almost surely, 2^{2153551415204} is an apocalyptic number.

It is an amenable number.

2153551415204 is an abundant number, since it is smaller than the sum of its proper divisors (2406910406236).

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

2153551415204 is a wasteful number, since it uses less digits than its factorization.

2153551415204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524267707 (or 4524267705 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 2153551415204 its reverse (4025141553512), we get a palindrome (6178692968716).

The spelling of 2153551415204 in words is "two trillion, one hundred fifty-three billion, five hundred fifty-one million, four hundred fifteen thousand, two hundred four".