26450900611005 has 32 divisors (see below), whose sum is σ = 45995073505920. Its totient is φ = 12902514105600.

The previous prime is 26450900610991. The next prime is 26450900611021. The reversal of 26450900611005 is 50011600905462.

It is not a de Polignac number, because 26450900611005 - 2¹⁸ = 26450900348861 is a prime.

It is a super-2 number, since 2×26450900611005² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622206471 + ... + 622248980.

It is an arithmetic number, because the mean of its divisors is an integer number (1437346047060).

Almost surely, 2^{26450900611005} is an apocalyptic number.

It is an amenable number.

26450900611005 is a deficient number, since it is larger than the sum of its proper divisors (19544172894915).

26450900611005 is a wasteful number, since it uses less digits than its factorization.

26450900611005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244455581.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 26450900611005 in words is "twenty-six trillion, four hundred fifty billion, nine hundred million, six hundred eleven thousand, five".