16403125111 has 8 divisors (see below), whose sum is σ = 16497977760. Its totient is φ = 16308519072.

The previous prime is 16403125103. The next prime is 16403125129. The reversal of 16403125111 is 11152130461.

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 16403125111 - 2³ = 16403125103 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 (16403125171) 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, 72601 + ... + 195133.

It is an arithmetic number, because the mean of its divisors is an integer number (2062247220).

Almost surely, 2^16403125111 is an apocalyptic number.

16403125111 is a deficient number, since it is larger than the sum of its proper divisors (94852649).

16403125111 is a wasteful number, since it uses less digits than its factorization.

16403125111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123305.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 16403125111 its reverse (11152130461), we get a palindrome (27555255572).

The spelling of 16403125111 in words is "sixteen billion, four hundred three million, one hundred twenty-five thousand, one hundred eleven".