26033631145 has 4 divisors (see below), whose sum is σ = 31240357380. Its totient is φ = 20826904912.

The previous prime is 26033631137. The next prime is 26033631157. The reversal of 26033631145 is 54113633062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14370495129 + 11663136016 = 119877^2 + 107996^2 .

It is a cyclic number.

It is not a de Polignac number, because 26033631145 - 2³ = 26033631137 is a prime.

It is a super-2 number, since 2×26033631145² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26033631145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603363110 + ... + 2603363119.

It is an arithmetic number, because the mean of its divisors is an integer number (7810089345).

Almost surely, 2^26033631145 is an apocalyptic number.

It is an amenable number.

26033631145 is a deficient number, since it is larger than the sum of its proper divisors (5206726235).

26033631145 is an equidigital number, since it uses as much as digits as its factorization.

26033631145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206726234.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 26033631145 in words is "twenty-six billion, thirty-three million, six hundred thirty-one thousand, one hundred forty-five".