2051020115 has 8 divisors (see below), whose sum is σ = 2468990160. Its totient is φ = 1635638752.

The previous prime is 2051020093. The next prime is 2051020123. The reversal of 2051020115 is 5110201502.

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 2051020115 - 2²⁸ = 1782584659 is a prime.

It is a super-2 number, since 2×2051020115² = 8413367024269226450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2051020093 and 2051020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645425 + ... + 648594.

It is an arithmetic number, because the mean of its divisors is an integer number (308623770).

Almost surely, 2^2051020115 is an apocalyptic number.

2051020115 is a deficient number, since it is larger than the sum of its proper divisors (417970045).

2051020115 is a wasteful number, since it uses less digits than its factorization.

2051020115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294341.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 2051020115 is about 45288.1895752082. The cubic root of 2051020115 is about 1270.5447711417.

Adding to 2051020115 its reverse (5110201502), we get a palindrome (7161221617).

The spelling of 2051020115 in words is "two billion, fifty-one million, twenty thousand, one hundred fifteen".