26461232203 has 12 divisors (see below), whose sum is σ = 31002890520. Its totient is φ = 22517877312.

The previous prime is 26461232197. The next prime is 26461232233. The reversal of 26461232203 is 30223216462.

It is a de Polignac number, because none of the positive numbers 2^k-26461232203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26461232233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1935726 + ... + 1949347.

It is an arithmetic number, because the mean of its divisors is an integer number (2583574210).

Almost surely, 2^26461232203 is an apocalyptic number.

26461232203 is a deficient number, since it is larger than the sum of its proper divisors (4541658317).

26461232203 is a wasteful number, since it uses less digits than its factorization.

26461232203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885226 (or 3885219 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 26461232203 its reverse (30223216462), we get a palindrome (56684448665).

The spelling of 26461232203 in words is "twenty-six billion, four hundred sixty-one million, two hundred thirty-two thousand, two hundred three".