2515220325543 has 4 divisors (see below), whose sum is σ = 3353627100728. Its totient is φ = 1676813550360.

The previous prime is 2515220325421. The next prime is 2515220325571. The reversal of 2515220325543 is 3455230225152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2515220325543 - 2²⁴ = 2515203548327 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 (2515220329543) 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, 419203387588 + ... + 419203387593.

It is an arithmetic number, because the mean of its divisors is an integer number (838406775182).

Almost surely, 2^{2515220325543} is an apocalyptic number.

2515220325543 is a deficient number, since it is larger than the sum of its proper divisors (838406775185).

2515220325543 is an equidigital number, since it uses as much as digits as its factorization.

2515220325543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838406775184.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 2515220325543 in words is "two trillion, five hundred fifteen billion, two hundred twenty million, three hundred twenty-five thousand, five hundred forty-three".