2153214321355 has 16 divisors (see below), whose sum is σ = 2719894741920. Its totient is φ = 1631882757888.

The previous prime is 2153214321347. The next prime is 2153214321359. The reversal of 2153214321355 is 5531234123512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2153214321355 - 2³ = 2153214321347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2153214321359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7025599 + ... + 7325671.

It is an arithmetic number, because the mean of its divisors is an integer number (169993421370).

Almost surely, 2^{2153214321355} is an apocalyptic number.

2153214321355 is a deficient number, since it is larger than the sum of its proper divisors (566680420565).

2153214321355 is a wasteful number, since it uses less digits than its factorization.

2153214321355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375630.

The product of its digits is 108000, while the sum is 37.

Adding to 2153214321355 its reverse (5531234123512), we get a palindrome (7684448444867).

The spelling of 2153214321355 in words is "two trillion, one hundred fifty-three billion, two hundred fourteen million, three hundred twenty-one thousand, three hundred fifty-five".