1045937826161 has 4 divisors (see below), whose sum is σ = 1056293646324. Its totient is φ = 1035582006000.

The previous prime is 1045937826151. The next prime is 1045937826259. The reversal of 1045937826161 is 1616287395401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 979765408561 + 66172417600 = 989831^2 + 257240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045937826161 - 2³⁴ = 1028757956977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045937826151) 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 3 ways as a sum of consecutive naturals, for example, 5177909930 + ... + 5177910131.

It is an arithmetic number, because the mean of its divisors is an integer number (264073411581).

It is a 1-persistent number, because it is pandigital, but 2⋅1045937826161 = 2091875652322 is not.

Almost surely, 2^{1045937826161} is an apocalyptic number.

It is an amenable number.

1045937826161 is a deficient number, since it is larger than the sum of its proper divisors (10355820163).

1045937826161 is a wasteful number, since it uses less digits than its factorization.

1045937826161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10355820162.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 1045937826161 in words is "one trillion, forty-five billion, nine hundred thirty-seven million, eight hundred twenty-six thousand, one hundred sixty-one".