501261314314453 has 32 divisors (see below), whose sum is σ = 626868335358720. Its totient is φ = 389393993640960.

The previous prime is 501261314314427. The next prime is 501261314314483. The reversal of 501261314314453 is 354413413162105.

It is a de Polignac number, because none of the positive numbers 2^k-501261314314453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501261314314483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251569263 + ... + 253553971.

It is an arithmetic number, because the mean of its divisors is an integer number (19589635479960).

Almost surely, 2^{501261314314453} is an apocalyptic number.

It is an amenable number.

501261314314453 is a deficient number, since it is larger than the sum of its proper divisors (125607021044267).

501261314314453 is a wasteful number, since it uses less digits than its factorization.

501261314314453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994797.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 501261314314453 its reverse (354413413162105), we get a palindrome (855674727476558).

The spelling of 501261314314453 in words is "five hundred one trillion, two hundred sixty-one billion, three hundred fourteen million, three hundred fourteen thousand, four hundred fifty-three".