2115605054 has 4 divisors (see below), whose sum is σ = 3173407584. Its totient is φ = 1057802526.

The previous prime is 2115605053. The next prime is 2115605057. The reversal of 2115605054 is 4505065112.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115605053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528901262 + ... + 528901265.

It is an arithmetic number, because the mean of its divisors is an integer number (793351896).

Almost surely, 2^2115605054 is an apocalyptic number.

2115605054 is a deficient number, since it is larger than the sum of its proper divisors (1057802530).

2115605054 is a wasteful number, since it uses less digits than its factorization.

2115605054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057802529.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2115605054 is about 45995.7069083627. The cubic root of 2115605054 is about 1283.7433255210.

The spelling of 2115605054 in words is "two billion, one hundred fifteen million, six hundred five thousand, fifty-four".