26152121007 has 6 divisors (see below), whose sum is σ = 37775285912. Its totient is φ = 17434747332.

The previous prime is 26152120993. The next prime is 26152121069. The reversal of 26152121007 is 70012125162.

26152121007 is a `hidden beast` number, since 2 + 615 + 21 + 21 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 26152121007 - 2¹² = 26152116911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26152123007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1452895603 + ... + 1452895620.

Almost surely, 2^26152121007 is an apocalyptic number.

26152121007 is a deficient number, since it is larger than the sum of its proper divisors (11623164905).

26152121007 is a wasteful number, since it uses less digits than its factorization.

26152121007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905791229 (or 2905791226 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 26152121007 its reverse (70012125162), we get a palindrome (96164246169).

The spelling of 26152121007 in words is "twenty-six billion, one hundred fifty-two million, one hundred twenty-one thousand, seven".