26512556145 has 8 divisors (see below), whose sum is σ = 42420089856. Its totient is φ = 14140029936.

The previous prime is 26512556111. The next prime is 26512556149. The reversal of 26512556145 is 54165521562.

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

It is not a de Polignac number, because 26512556145 - 2¹¹ = 26512554097 is a prime.

It is a super-2 number, since 2×26512556145² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26512556097 and 26512556106.

It is not an unprimeable number, because it can be changed into a prime (26512556149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883751857 + ... + 883751886.

It is an arithmetic number, because the mean of its divisors is an integer number (5302511232).

Almost surely, 2^26512556145 is an apocalyptic number.

It is an amenable number.

26512556145 is a deficient number, since it is larger than the sum of its proper divisors (15907533711).

26512556145 is a wasteful number, since it uses less digits than its factorization.

26512556145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767503751.

The product of its digits is 360000, while the sum is 42.

The spelling of 26512556145 in words is "twenty-six billion, five hundred twelve million, five hundred fifty-six thousand, one hundred forty-five".