2145205151005 has 8 divisors (see below), whose sum is σ = 2941995635712. Its totient is φ = 1470997817808.

The previous prime is 2145205151003. The next prime is 2145205151009. The reversal of 2145205151005 is 5001515025412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145205151005 - 2¹ = 2145205151003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145205151003) 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, 30645787837 + ... + 30645787906.

It is an arithmetic number, because the mean of its divisors is an integer number (367749454464).

Almost surely, 2^{2145205151005} is an apocalyptic number.

It is an amenable number.

2145205151005 is a deficient number, since it is larger than the sum of its proper divisors (796790484707).

2145205151005 is an equidigital number, since it uses as much as digits as its factorization.

2145205151005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61291575755.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 2145205151005 in words is "two trillion, one hundred forty-five billion, two hundred five million, one hundred fifty-one thousand, five".