20111265353 has 8 divisors (see below), whose sum is σ = 21405772800. Its totient is φ = 18829145920.

The previous prime is 20111265323. The next prime is 20111265359. The reversal of 20111265353 is 35356211102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20111265353 - 2²⁴ = 20094488137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111265359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3093653 + ... + 3100146.

It is an arithmetic number, because the mean of its divisors is an integer number (2675721600).

Almost surely, 2^20111265353 is an apocalyptic number.

It is an amenable number.

20111265353 is a deficient number, since it is larger than the sum of its proper divisors (1294507447).

20111265353 is a wasteful number, since it uses less digits than its factorization.

20111265353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194007.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 20111265353 its reverse (35356211102), we get a palindrome (55467476455).

The spelling of 20111265353 in words is "twenty billion, one hundred eleven million, two hundred sixty-five thousand, three hundred fifty-three".