2115724180427 has 64 divisors (see below), whose sum is σ = 2667381373440. Its totient is φ = 1649270937600.

The previous prime is 2115724180411. The next prime is 2115724180447. The reversal of 2115724180427 is 7240814275112.

It is not a de Polignac number, because 2115724180427 - 2⁴ = 2115724180411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115724180447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 326447027 + ... + 326453507.

It is an arithmetic number, because the mean of its divisors is an integer number (41677833960).

Almost surely, 2^{2115724180427} is an apocalyptic number.

2115724180427 is a deficient number, since it is larger than the sum of its proper divisors (551657193013).

2115724180427 is a wasteful number, since it uses less digits than its factorization.

2115724180427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844.

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 2115724180427 in words is "two trillion, one hundred fifteen billion, seven hundred twenty-four million, one hundred eighty thousand, four hundred twenty-seven".