26264666155 has 24 divisors (see below), whose sum is σ = 39483590832. Its totient is φ = 16624665792.

The previous prime is 26264666143. The next prime is 26264666159. The reversal of 26264666155 is 55166646262.

It is not a de Polignac number, because 26264666155 - 2⁷ = 26264666027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 26264666099 and 26264666108.

It is not an unprimeable number, because it can be changed into a prime (26264666159) 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 23 ways as a sum of consecutive naturals, for example, 4119997 + ... + 4126366.

It is an arithmetic number, because the mean of its divisors is an integer number (1645149618).

Almost surely, 2^26264666155 is an apocalyptic number.

26264666155 is a deficient number, since it is larger than the sum of its proper divisors (13218924677).

26264666155 is a wasteful number, since it uses less digits than its factorization.

26264666155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8246395 (or 8246388 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 26264666155 in words is "twenty-six billion, two hundred sixty-four million, six hundred sixty-six thousand, one hundred fifty-five".