2153110510999 has 4 divisors (see below), whose sum is σ = 2460697726864. Its totient is φ = 1845523295136.

The previous prime is 2153110510933. The next prime is 2153110511011. The reversal of 2153110510999 is 9990150113512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2153110510999 - 2²¹ = 2153108413847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153111510999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153793607922 + ... + 153793607935.

It is an arithmetic number, because the mean of its divisors is an integer number (615174431716).

Almost surely, 2^{2153110510999} is an apocalyptic number.

2153110510999 is a deficient number, since it is larger than the sum of its proper divisors (307587215865).

2153110510999 is an equidigital number, since it uses as much as digits as its factorization.

2153110510999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307587215864.

The product of its (nonzero) digits is 109350, while the sum is 46.

The spelling of 2153110510999 in words is "two trillion, one hundred fifty-three billion, one hundred ten million, five hundred ten thousand, nine hundred ninety-nine".