3665145142501 has 4 divisors (see below), whose sum is σ = 3668122515904. Its totient is φ = 3662167769100.

The previous prime is 3665145142487. The next prime is 3665145142507. The reversal of 3665145142501 is 1052415415663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3665145142501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665145142507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488684855 + ... + 1488687316.

It is an arithmetic number, because the mean of its divisors is an integer number (917030628976).

Almost surely, 2^{3665145142501} is an apocalyptic number.

It is an amenable number.

3665145142501 is a deficient number, since it is larger than the sum of its proper divisors (2977373403).

3665145142501 is a wasteful number, since it uses less digits than its factorization.

3665145142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977373402.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 3665145142501 in words is "three trillion, six hundred sixty-five billion, one hundred forty-five million, one hundred forty-two thousand, five hundred one".