105502126261 has 8 divisors (see below), whose sum is σ = 121928621760. Its totient is φ = 89414321568.

The previous prime is 105502126243. The next prime is 105502126271. The reversal of 105502126261 is 162621205501.

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

It is a cyclic number.

It is not a de Polignac number, because 105502126261 - 2²⁷ = 105367908533 is a prime.

It is a super-2 number, since 2×105502126261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105502126271) 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, 84672031 + ... + 84673276.

It is an arithmetic number, because the mean of its divisors is an integer number (15241077720).

Almost surely, 2^105502126261 is an apocalyptic number.

It is an amenable number.

105502126261 is a deficient number, since it is larger than the sum of its proper divisors (16426495499).

105502126261 is an equidigital number, since it uses as much as digits as its factorization.

105502126261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169345403.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 105502126261 in words is "one hundred five billion, five hundred two million, one hundred twenty-six thousand, two hundred sixty-one".