105278041352539 has 12 divisors (see below), whose sum is σ = 115735955380920. Its totient is φ = 95693153784800.

The previous prime is 105278041352489. The next prime is 105278041352581. The reversal of 105278041352539 is 935253140872501.

It is a happy number.

It is not a de Polignac number, because 105278041352539 - 2¹¹ = 105278041350491 is a prime.

It is a super-2 number, since 2×105278041352539² (a number of 29 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 105278041352539.

It is not an unprimeable number, because it can be changed into a prime (105278041352599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63526429 + ... + 65162590.

It is an arithmetic number, because the mean of its divisors is an integer number (9644662948410).

Almost surely, 2^{105278041352539} is an apocalyptic number.

105278041352539 is a deficient number, since it is larger than the sum of its proper divisors (10457914028381).

105278041352539 is a wasteful number, since it uses less digits than its factorization.

105278041352539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128695802 (or 128695791 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 105278041352539 in words is "one hundred five trillion, two hundred seventy-eight billion, forty-one million, three hundred fifty-two thousand, five hundred thirty-nine".