105511060061 has 8 divisors (see below), whose sum is σ = 116242609248. Its totient is φ = 94969450000.

The previous prime is 105511060043. The next prime is 105511060087. The reversal of 105511060061 is 160060115501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105511060061 is a prime.

It is a super-2 number, since 2×105511060061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105511060061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105511060961) 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, 47483615 + ... + 47485836.

It is an arithmetic number, because the mean of its divisors is an integer number (14530326156).

Almost surely, 2^105511060061 is an apocalyptic number.

105511060061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105511060061 is a deficient number, since it is larger than the sum of its proper divisors (10731549187).

105511060061 is a wasteful number, since it uses less digits than its factorization.

105511060061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94969563.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 105511060061 its reverse (160060115501), we get a palindrome (265571175562).

The spelling of 105511060061 in words is "one hundred five billion, five hundred eleven million, sixty thousand, sixty-one".