20112013153 has 4 divisors (see below), whose sum is σ = 20132812480. Its totient is φ = 20091213828.

The previous prime is 20112013147. The next prime is 20112013157. The reversal of 20112013153 is 35131021102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35131021102 = 2 ⋅17565510551.

It is a cyclic number.

It is not a de Polignac number, because 20112013153 - 2¹³ = 20112004961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112013153.

It is not an unprimeable number, because it can be changed into a prime (20112013157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10398213 + ... + 10400146.

It is an arithmetic number, because the mean of its divisors is an integer number (5033203120).

Almost surely, 2^20112013153 is an apocalyptic number.

It is an amenable number.

20112013153 is a deficient number, since it is larger than the sum of its proper divisors (20799327).

20112013153 is an equidigital number, since it uses as much as digits as its factorization.

20112013153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20799326.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 20112013153 its reverse (35131021102), we get a palindrome (55243034255).

The spelling of 20112013153 in words is "twenty billion, one hundred twelve million, thirteen thousand, one hundred fifty-three".