53423215111 has 8 divisors (see below), whose sum is σ = 61060016160. Its totient is φ = 45787642368.

The previous prime is 53423215081. The next prime is 53423215117. The reversal of 53423215111 is 11151232435.

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 53423215111 - 2¹⁹ = 53422690823 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 53423215111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53423215117) 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, 211906 + ... + 389551.

It is an arithmetic number, because the mean of its divisors is an integer number (7632502020).

Almost surely, 2^53423215111 is an apocalyptic number.

53423215111 is a deficient number, since it is larger than the sum of its proper divisors (7636801049).

53423215111 is a wasteful number, since it uses less digits than its factorization.

53423215111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614153.

The product of its digits is 3600, while the sum is 28.

Adding to 53423215111 its reverse (11151232435), we get a palindrome (64574447546).

The spelling of 53423215111 in words is "fifty-three billion, four hundred twenty-three million, two hundred fifteen thousand, one hundred eleven".