26466231155 has 32 divisors (see below), whose sum is σ = 39434580864. Its totient is φ = 16603969536.

The previous prime is 26466231139. The next prime is 26466231157. The reversal of 26466231155 is 55113266462.

It is a happy number.

It is not a de Polignac number, because 26466231155 - 2⁴ = 26466231139 is a prime.

It is a super-2 number, since 2×26466231155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26466231157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205964 + ... + 308793.

It is an arithmetic number, because the mean of its divisors is an integer number (1232330652).

Almost surely, 2^26466231155 is an apocalyptic number.

26466231155 is a deficient number, since it is larger than the sum of its proper divisors (12968349709).

26466231155 is a wasteful number, since it uses less digits than its factorization.

26466231155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514895.

The product of its digits is 259200, while the sum is 41.

The spelling of 26466231155 in words is "twenty-six billion, four hundred sixty-six million, two hundred thirty-one thousand, one hundred fifty-five".