1365661625045 has 8 divisors (see below), whose sum is σ = 1639666124160. Its totient is φ = 1091947850640.

The previous prime is 1365661624997. The next prime is 1365661625047. The reversal of 1365661625045 is 5405261665631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1365661625045 - 2¹⁰ = 1365661624021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1365661624984 and 1365661625002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365661625047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72670841 + ... + 72689630.

It is an arithmetic number, because the mean of its divisors is an integer number (204958265520).

Almost surely, 2^{1365661625045} is an apocalyptic number.

It is an amenable number.

1365661625045 is a deficient number, since it is larger than the sum of its proper divisors (274004499115).

1365661625045 is a wasteful number, since it uses less digits than its factorization.

1365661625045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145362355.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 1365661625045 in words is "one trillion, three hundred sixty-five billion, six hundred sixty-one million, six hundred twenty-five thousand, forty-five".