162004553111 has 4 divisors (see below), whose sum is σ = 162006014232. Its totient is φ = 162003091992.

The previous prime is 162004553101. The next prime is 162004553143. The reversal of 162004553111 is 111355400261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162004553111 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 (162004553101) 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, 549245 + ... + 790998.

It is an arithmetic number, because the mean of its divisors is an integer number (40501503558).

Almost surely, 2^162004553111 is an apocalyptic number.

162004553111 is a deficient number, since it is larger than the sum of its proper divisors (1461121).

162004553111 is a wasteful number, since it uses less digits than its factorization.

162004553111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461120.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 162004553111 its reverse (111355400261), we get a palindrome (273359953372).

The spelling of 162004553111 in words is "one hundred sixty-two billion, four million, five hundred fifty-three thousand, one hundred eleven".