2051355415 has 8 divisors (see below), whose sum is σ = 2498367600. Its totient is φ = 1616590272.

The previous prime is 2051355391. The next prime is 2051355457. The reversal of 2051355415 is 5145531502.

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 2051355415 - 2²⁷ = 1917137687 is a prime.

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, 3061390 + ... + 3062059.

It is an arithmetic number, because the mean of its divisors is an integer number (312295950).

Almost surely, 2^2051355415 is an apocalyptic number.

2051355415 is a deficient number, since it is larger than the sum of its proper divisors (447012185).

2051355415 is an equidigital number, since it uses as much as digits as its factorization.

2051355415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123521.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2051355415 is about 45291.8912720588. The cubic root of 2051355415 is about 1270.6140034302.

Adding to 2051355415 its reverse (5145531502), we get a palindrome (7196886917).

The spelling of 2051355415 in words is "two billion, fifty-one million, three hundred fifty-five thousand, four hundred fifteen".