105487340181 has 16 divisors (see below), whose sum is σ = 145612637760. Its totient is φ = 67847230080.

The previous prime is 105487340177. The next prime is 105487340183. The reversal of 105487340181 is 181043784501.

It is not a de Polignac number, because 105487340181 - 2² = 105487340177 is a prime.

It is a super-2 number, since 2×105487340181² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105487340183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357280 + ... + 581913.

It is an arithmetic number, because the mean of its divisors is an integer number (9100789860).

Almost surely, 2^105487340181 is an apocalyptic number.

It is an amenable number.

105487340181 is a deficient number, since it is larger than the sum of its proper divisors (40125297579).

105487340181 is a wasteful number, since it uses less digits than its factorization.

105487340181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940516.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 105487340181 in words is "one hundred five billion, four hundred eighty-seven million, three hundred forty thousand, one hundred eighty-one".