2145052212541 has 8 divisors (see below), whose sum is σ = 2459320476224. Its totient is φ = 1832742007200.

The previous prime is 2145052212533. The next prime is 2145052212577. The reversal of 2145052212541 is 1452122505412.

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 2145052212541 - 2³ = 2145052212533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2145052212497 and 2145052212506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145052212841) 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, 489512235 + ... + 489516616.

It is an arithmetic number, because the mean of its divisors is an integer number (307415059528).

Almost surely, 2^{2145052212541} is an apocalyptic number.

It is an amenable number.

2145052212541 is a deficient number, since it is larger than the sum of its proper divisors (314268263683).

2145052212541 is an equidigital number, since it uses as much as digits as its factorization.

2145052212541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979029171.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 2145052212541 its reverse (1452122505412), we get a palindrome (3597174717953).

The spelling of 2145052212541 in words is "two trillion, one hundred forty-five billion, fifty-two million, two hundred twelve thousand, five hundred forty-one".