65112525745 has 4 divisors (see below), whose sum is σ = 78135030900. Its totient is φ = 52090020592.

The previous prime is 65112525727. The next prime is 65112525791. The reversal of 65112525745 is 54752521156.

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 45112060816 + 20000464929 = 212396^2 + 141423^2 .

It is a cyclic number.

It is not a de Polignac number, because 65112525745 - 2³¹ = 62965042097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6511252570 + ... + 6511252579.

It is an arithmetic number, because the mean of its divisors is an integer number (19533757725).

Almost surely, 2^65112525745 is an apocalyptic number.

It is an amenable number.

65112525745 is a deficient number, since it is larger than the sum of its proper divisors (13022505155).

65112525745 is a wasteful number, since it uses less digits than its factorization.

65112525745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13022505154.

The product of its digits is 420000, while the sum is 43.

The spelling of 65112525745 in words is "sixty-five billion, one hundred twelve million, five hundred twenty-five thousand, seven hundred forty-five".