26121052514 has 4 divisors (see below), whose sum is σ = 39181578774. Its totient is φ = 13060526256.

The previous prime is 26121052493. The next prime is 26121052519. The reversal of 26121052514 is 41525012162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23613546889 + 2507505625 = 153667^2 + 50075^2 .

It is not an unprimeable number, because it can be changed into a prime (26121052519) 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 as a sum of consecutive naturals, namely, 6530263127 + ... + 6530263130.

Almost surely, 2^26121052514 is an apocalyptic number.

26121052514 is a deficient number, since it is larger than the sum of its proper divisors (13060526260).

26121052514 is a wasteful number, since it uses less digits than its factorization.

26121052514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060526259.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 26121052514 its reverse (41525012162), we get a palindrome (67646064676).

The spelling of 26121052514 in words is "twenty-six billion, one hundred twenty-one million, fifty-two thousand, five hundred fourteen".