26117841478953 has 32 divisors (see below), whose sum is σ = 42142121717760. Its totient is φ = 14045766508800.

The previous prime is 26117841478921. The next prime is 26117841478999. The reversal of 26117841478953 is 35987414871162.

It is not a de Polignac number, because 26117841478953 - 2⁵ = 26117841478921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26117841478903) 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, 4181518 + ... + 8349896.

It is an arithmetic number, because the mean of its divisors is an integer number (1316941303680).

Almost surely, 2^{26117841478953} is an apocalyptic number.

It is an amenable number.

26117841478953 is a deficient number, since it is larger than the sum of its proper divisors (16024280238807).

26117841478953 is a wasteful number, since it uses less digits than its factorization.

26117841478953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185957.

The product of its digits is 81285120, while the sum is 66.

The spelling of 26117841478953 in words is "twenty-six trillion, one hundred seventeen billion, eight hundred forty-one million, four hundred seventy-eight thousand, nine hundred fifty-three".