26156420051545 has 32 divisors (see below), whose sum is σ = 37433768302080. Its totient is φ = 17154880512000.

The previous prime is 26156420051533. The next prime is 26156420051561. The reversal of 26156420051545 is 54515002465162.

It is not a de Polignac number, because 26156420051545 - 2⁹ = 26156420051033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26156420051495 and 26156420051504.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 11227545 + ... + 13355545.

It is an arithmetic number, because the mean of its divisors is an integer number (1169805259440).

Almost surely, 2^{26156420051545} is an apocalyptic number.

It is an amenable number.

26156420051545 is a deficient number, since it is larger than the sum of its proper divisors (11277348250535).

26156420051545 is a wasteful number, since it uses less digits than its factorization.

26156420051545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143305.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 26156420051545 in words is "twenty-six trillion, one hundred fifty-six billion, four hundred twenty million, fifty-one thousand, five hundred forty-five".