11420555263 has 8 divisors (see below), whose sum is σ = 12833801568. Its totient is φ = 10083700704.

The previous prime is 11420555257. The next prime is 11420555269. The reversal of 11420555263 is 36255502411.

It is an interprime number because it is at equal distance from previous prime (11420555257) and next prime (11420555269).

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 11420555263 - 2¹³ = 11420547071 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 (11420555269) 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, 19097620 + ... + 19098217.

It is an arithmetic number, because the mean of its divisors is an integer number (1604225196).

Almost surely, 2^11420555263 is an apocalyptic number.

11420555263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11420555263 is a deficient number, since it is larger than the sum of its proper divisors (1413246305).

11420555263 is a wasteful number, since it uses less digits than its factorization.

11420555263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38195873.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 11420555263 in words is "eleven billion, four hundred twenty million, five hundred fifty-five thousand, two hundred sixty-three".