556266201431 has 4 divisors (see below), whose sum is σ = 556287482664. Its totient is φ = 556244920200.

The previous prime is 556266201377. The next prime is 556266201509. The reversal of 556266201431 is 134102662655.

It is a happy number.

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 556266201431 - 2¹⁴ = 556266185047 is a prime.

It is a super-2 number, since 2×556266201431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556266201331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601360 + ... + 10653701.

It is an arithmetic number, because the mean of its divisors is an integer number (139071870666).

Almost surely, 2^556266201431 is an apocalyptic number.

556266201431 is a deficient number, since it is larger than the sum of its proper divisors (21281233).

556266201431 is a wasteful number, since it uses less digits than its factorization.

556266201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21281232.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 556266201431 in words is "five hundred fifty-six billion, two hundred sixty-six million, two hundred one thousand, four hundred thirty-one".