20553112114453 has 4 divisors (see below), whose sum is σ = 20553133583808. Its totient is φ = 20553090645100.

The previous prime is 20553112114433. The next prime is 20553112114489. The reversal of 20553112114453 is 35441121135502.

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.

It is a cyclic number.

It is not a de Polignac number, because 20553112114453 - 2⁵ = 20553112114421 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 (20553112114433) 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, 9228223 + ... + 11236828.

It is an arithmetic number, because the mean of its divisors is an integer number (5138283395952).

Almost surely, 2^{20553112114453} is an apocalyptic number.

It is an amenable number.

20553112114453 is a deficient number, since it is larger than the sum of its proper divisors (21469355).

20553112114453 is a wasteful number, since it uses less digits than its factorization.

20553112114453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21469354.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 20553112114453 its reverse (35441121135502), we get a palindrome (55994233249955).

It can be divided in two parts, 2055311 and 2114453, that added together give a square (4169764 = 2042²).

The spelling of 20553112114453 in words is "twenty trillion, five hundred fifty-three billion, one hundred twelve million, one hundred fourteen thousand, four hundred fifty-three".