26451411662555 has 72 divisors (see below), whose sum is σ = 37094359201200. Its totient is φ = 18090306995200.

The previous prime is 26451411662549. The next prime is 26451411662561. The reversal of 26451411662555 is 55526611415462.

It is an interprime number because it is at equal distance from previous prime (26451411662549) and next prime (26451411662561).

It is not a de Polignac number, because 26451411662555 - 2¹⁰ = 26451411661531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26451411662497 and 26451411662506.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 206427896 + ... + 206555994.

It is an arithmetic number, because the mean of its divisors is an integer number (515199433350).

Almost surely, 2^{26451411662555} is an apocalyptic number.

26451411662555 is a deficient number, since it is larger than the sum of its proper divisors (10642947538645).

26451411662555 is a wasteful number, since it uses less digits than its factorization.

26451411662555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129341 (or 129313 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 53.

The spelling of 26451411662555 in words is "twenty-six trillion, four hundred fifty-one billion, four hundred eleven million, six hundred sixty-two thousand, five hundred fifty-five".