201425500111 has 4 divisors (see below), whose sum is σ = 219736909224. Its totient is φ = 183114091000.

The previous prime is 201425500079. The next prime is 201425500117. The reversal of 201425500111 is 111005524102.

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

It is a cyclic number.

It is not a de Polignac number, because 201425500111 - 2⁵ = 201425500079 is a prime.

It is a super-2 number, since 2×201425500111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201425500117) 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, 9155704540 + ... + 9155704561.

It is an arithmetic number, because the mean of its divisors is an integer number (54934227306).

Almost surely, 2^201425500111 is an apocalyptic number.

201425500111 is a deficient number, since it is larger than the sum of its proper divisors (18311409113).

201425500111 is a wasteful number, since it uses less digits than its factorization.

201425500111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311409112.

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 201425500111 in words is "two hundred one billion, four hundred twenty-five million, five hundred thousand, one hundred eleven".