105401161065 has 16 divisors (see below), whose sum is σ = 172229983488. Its totient is φ = 55017910656.

The previous prime is 105401161039. The next prime is 105401161067. The reversal of 105401161065 is 560161104501.

It is not a de Polignac number, because 105401161065 - 2¹³ = 105401152873 is a prime.

It is a super-2 number, since 2×105401161065² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105401161067) 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, 74751892 + ... + 74753301.

It is an arithmetic number, because the mean of its divisors is an integer number (10764373968).

Almost surely, 2^105401161065 is an apocalyptic number.

105401161065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105401161065 is a deficient number, since it is larger than the sum of its proper divisors (66828822423).

105401161065 is a wasteful number, since it uses less digits than its factorization.

105401161065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149505248.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 105401161065 its reverse (560161104501), we get a palindrome (665562265566).

The spelling of 105401161065 in words is "one hundred five billion, four hundred one million, one hundred sixty-one thousand, sixty-five".