26123161625 has 32 divisors (see below), whose sum is σ = 35698216320. Its totient is φ = 18927768000.

The previous prime is 26123161613. The next prime is 26123161637. The reversal of 26123161625 is 52616132162.

It is an interprime number because it is at equal distance from previous prime (26123161613) and next prime (26123161637).

It is not a de Polignac number, because 26123161625 - 2³² = 21828194329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334562 + ... + 405188.

It is an arithmetic number, because the mean of its divisors is an integer number (1115569260).

Almost surely, 2^26123161625 is an apocalyptic number.

26123161625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26123161625 is a deficient number, since it is larger than the sum of its proper divisors (9575054695).

26123161625 is a wasteful number, since it uses less digits than its factorization.

26123161625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70922 (or 70912 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

Adding to 26123161625 its reverse (52616132162), we get a palindrome (78739293787).

The spelling of 26123161625 in words is "twenty-six billion, one hundred twenty-three million, one hundred sixty-one thousand, six hundred twenty-five".