2145153320501 has 4 divisors (see below), whose sum is σ = 2165980051872. Its totient is φ = 2124326589132.

The previous prime is 2145153320483. The next prime is 2145153320503. The reversal of 2145153320501 is 1050233515412.

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-2145153320501 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 (2145153320503) 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, 10413365531 + ... + 10413365736.

It is an arithmetic number, because the mean of its divisors is an integer number (541495012968).

Almost surely, 2^{2145153320501} is an apocalyptic number.

It is an amenable number.

2145153320501 is a deficient number, since it is larger than the sum of its proper divisors (20826731371).

2145153320501 is a wasteful number, since it uses less digits than its factorization.

2145153320501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20826731370.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 2145153320501 its reverse (1050233515412), we get a palindrome (3195386835913).

The spelling of 2145153320501 in words is "two trillion, one hundred forty-five billion, one hundred fifty-three million, three hundred twenty thousand, five hundred one".