420354255423511 has 8 divisors (see below), whose sum is σ = 433922889826304. Its totient is φ = 406786172252760.

The previous prime is 420354255423499. The next prime is 420354255423527. The reversal of 420354255423511 is 115324552453024.

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 420354255423511 - 2⁷ = 420354255423383 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 (420354255423911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136257975 + ... + 139308808.

It is an arithmetic number, because the mean of its divisors is an integer number (54240361228288).

Almost surely, 2^{420354255423511} is an apocalyptic number.

420354255423511 is a deficient number, since it is larger than the sum of its proper divisors (13568634402793).

420354255423511 is a wasteful number, since it uses less digits than its factorization.

420354255423511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275616021.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 420354255423511 in words is "four hundred twenty trillion, three hundred fifty-four billion, two hundred fifty-five million, four hundred twenty-three thousand, five hundred eleven".