26532144145 has 16 divisors (see below), whose sum is σ = 34291917072. Its totient is φ = 19590554880.

The previous prime is 26532144139. The next prime is 26532144173. The reversal of 26532144145 is 54144123562.

It can be written as a sum of positive squares in 8 ways, for example, as 5789231569 + 20742912576 = 76087^2 + 144024^2 .

It is not a de Polignac number, because 26532144145 - 2⁵ = 26532144113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641719 + ... + 681811.

It is an arithmetic number, because the mean of its divisors is an integer number (2143244817).

Almost surely, 2^26532144145 is an apocalyptic number.

It is an amenable number.

26532144145 is a deficient number, since it is larger than the sum of its proper divisors (7759772927).

26532144145 is a wasteful number, since it uses less digits than its factorization.

26532144145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50292.

The product of its digits is 115200, while the sum is 37.

The spelling of 26532144145 in words is "twenty-six billion, five hundred thirty-two million, one hundred forty-four thousand, one hundred forty-five".