105188051 has 4 divisors (see below), whose sum is σ = 105226104. Its totient is φ = 105150000.

The previous prime is 105188023. The next prime is 105188071. The reversal of 105188051 is 150881501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150881501 = 2477 ⋅60913.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105188051 is a prime.

It is a super-2 number, since 2×105188051² = 22129052146357202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105188071) 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, 14525 + ... + 20526.

It is an arithmetic number, because the mean of its divisors is an integer number (26306526).

Almost surely, 2^105188051 is an apocalyptic number.

105188051 is a deficient number, since it is larger than the sum of its proper divisors (38053).

105188051 is an equidigital number, since it uses as much as digits as its factorization.

105188051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38052.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 105188051 is about 10256.1226104215. The cubic root of 105188051 is about 472.0508704029.

The spelling of 105188051 in words is "one hundred five million, one hundred eighty-eight thousand, fifty-one".