26113545545 has 8 divisors (see below), whose sum is σ = 32100553800. Its totient is φ = 20381303680.

The previous prime is 26113545541. The next prime is 26113545629. The reversal of 26113545545 is 54554531162.

It can be written as a sum of positive squares in 4 ways, for example, as 88435216 + 26025110329 = 9404^2 + 161323^2 .

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

It is not a de Polignac number, because 26113545545 - 2² = 26113545541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (26113545541) 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, 63691370 + ... + 63691779.

It is an arithmetic number, because the mean of its divisors is an integer number (4012569225).

Almost surely, 2^26113545545 is an apocalyptic number.

It is an amenable number.

26113545545 is a deficient number, since it is larger than the sum of its proper divisors (5987008255).

26113545545 is a wasteful number, since it uses less digits than its factorization.

26113545545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127383195.

The product of its digits is 360000, while the sum is 41.

The spelling of 26113545545 in words is "twenty-six billion, one hundred thirteen million, five hundred forty-five thousand, five hundred forty-five".