26620055121 has 8 divisors (see below), whose sum is σ = 38720080224. Its totient is φ = 16133366720.

The previous prime is 26620055093. The next prime is 26620055159. The reversal of 26620055121 is 12155002662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26620055121 - 2¹⁵ = 26620022353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26620055321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403334136 + ... + 403334201.

It is an arithmetic number, because the mean of its divisors is an integer number (4840010028).

Almost surely, 2^26620055121 is an apocalyptic number.

It is an amenable number.

26620055121 is a deficient number, since it is larger than the sum of its proper divisors (12100025103).

26620055121 is a wasteful number, since it uses less digits than its factorization.

26620055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806668351.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 26620055121 its reverse (12155002662), we get a palindrome (38775057783).

The spelling of 26620055121 in words is "twenty-six billion, six hundred twenty million, fifty-five thousand, one hundred twenty-one".