51545052211145 has 16 divisors (see below), whose sum is σ = 63216521411328. Its totient is φ = 40329025232640.

The previous prime is 51545052211139. The next prime is 51545052211153. The reversal of 51545052211145 is 54111225054515.

51545052211145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51545052211145 - 2³⁸ = 51270174304201 is a prime.

It is a super-2 number, since 2×51545052211145² (a number of 28 digits) contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 80260859 + ... + 80900528.

It is an arithmetic number, because the mean of its divisors is an integer number (3951032588208).

Almost surely, 2^{51545052211145} is an apocalyptic number.

It is an amenable number.

51545052211145 is a deficient number, since it is larger than the sum of its proper divisors (11671469200183).

51545052211145 is a wasteful number, since it uses less digits than its factorization.

51545052211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161162800.

The product of its (nonzero) digits is 200000, while the sum is 41.

The spelling of 51545052211145 in words is "fifty-one trillion, five hundred forty-five billion, fifty-two million, two hundred eleven thousand, one hundred forty-five".