505051242451 has 16 divisors (see below), whose sum is σ = 591126432768. Its totient is φ = 422578044000.

The previous prime is 505051242439. The next prime is 505051242491. The reversal of 505051242451 is 154242150505.

It is not a de Polignac number, because 505051242451 - 2⁵ = 505051242419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505051242431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4980495 + ... + 5080888.

It is an arithmetic number, because the mean of its divisors is an integer number (36945402048).

Almost surely, 2^505051242451 is an apocalyptic number.

505051242451 is a deficient number, since it is larger than the sum of its proper divisors (86075190317).

505051242451 is a wasteful number, since it uses less digits than its factorization.

505051242451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061562.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 505051242451 its reverse (154242150505), we get a palindrome (659293392956).

The spelling of 505051242451 in words is "five hundred five billion, fifty-one million, two hundred forty-two thousand, four hundred fifty-one".