105265941639 has 16 divisors (see below), whose sum is σ = 140900743680. Its totient is φ = 69904321920.

The previous prime is 105265941637. The next prime is 105265941643. The reversal of 105265941639 is 936149562501.

It is not a de Polignac number, because 105265941639 - 2¹ = 105265941637 is a prime.

It is a super-2 number, since 2×105265941639² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105265941591 and 105265941600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105265941637) 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, 5467572 + ... + 5486790.

It is an arithmetic number, because the mean of its divisors is an integer number (8806296480).

Almost surely, 2^105265941639 is an apocalyptic number.

105265941639 is a deficient number, since it is larger than the sum of its proper divisors (35634802041).

105265941639 is a wasteful number, since it uses less digits than its factorization.

105265941639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26230.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 105265941639 in words is "one hundred five billion, two hundred sixty-five million, nine hundred forty-one thousand, six hundred thirty-nine".