2051113445 has 8 divisors (see below), whose sum is σ = 2461705344. Its totient is φ = 1640644624.

The previous prime is 2051113439. The next prime is 2051113499. The reversal of 2051113445 is 5443111502.

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 2051113445 - 2⁶ = 2051113381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11072 + ... + 64998.

It is an arithmetic number, because the mean of its divisors is an integer number (307713168).

Almost surely, 2^2051113445 is an apocalyptic number.

It is an amenable number.

2051113445 is a deficient number, since it is larger than the sum of its proper divisors (410591899).

2051113445 is an equidigital number, since it uses as much as digits as its factorization.

2051113445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61539.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2051113445 is about 45289.2199645788. The cubic root of 2051113445 is about 1270.5640425511.

Adding to 2051113445 its reverse (5443111502), we get a palindrome (7494224947).

The spelling of 2051113445 in words is "two billion, fifty-one million, one hundred thirteen thousand, four hundred forty-five".