1420752336511 has 4 divisors (see below), whose sum is σ = 1436715846000. Its totient is φ = 1404788827024.

The previous prime is 1420752336503. The next prime is 1420752336589. The reversal of 1420752336511 is 1156332570241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420752336511 - 2³ = 1420752336503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420752336011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7981754611 + ... + 7981754788.

It is an arithmetic number, because the mean of its divisors is an integer number (359178961500).

Almost surely, 2^{1420752336511} is an apocalyptic number.

1420752336511 is a deficient number, since it is larger than the sum of its proper divisors (15963509489).

1420752336511 is an equidigital number, since it uses as much as digits as its factorization.

1420752336511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963509488.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1420752336511 in words is "one trillion, four hundred twenty billion, seven hundred fifty-two million, three hundred thirty-six thousand, five hundred eleven".