2115529647 has 32 divisors (see below), whose sum is σ = 3559127040. Its totient is φ = 1085725920.

The previous prime is 2115529639. The next prime is 2115529667. The reversal of 2115529647 is 7469255112.

It is not a de Polignac number, because 2115529647 - 2³ = 2115529639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2115529599 and 2115529608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115529667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35997 + ... + 74342.

It is an arithmetic number, because the mean of its divisors is an integer number (111222720).

Almost surely, 2^2115529647 is an apocalyptic number.

2115529647 is a deficient number, since it is larger than the sum of its proper divisors (1443597393).

2115529647 is a wasteful number, since it uses less digits than its factorization.

2115529647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110443.

The product of its digits is 151200, while the sum is 42.

The square root of 2115529647 is about 45994.8871832511. The cubic root of 2115529647 is about 1283.7280730864.

The spelling of 2115529647 in words is "two billion, one hundred fifteen million, five hundred twenty-nine thousand, six hundred forty-seven".