51110422403 has 4 divisors (see below), whose sum is σ = 51117382608. Its totient is φ = 51103462200.

The previous prime is 51110422373. The next prime is 51110422457. The reversal of 51110422403 is 30422401115.

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 51110422403 - 2²² = 51106228099 is a prime.

It is a super-2 number, since 2×51110422403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51110422483) 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, 3469076 + ... + 3483777.

It is an arithmetic number, because the mean of its divisors is an integer number (12779345652).

Almost surely, 2^51110422403 is an apocalyptic number.

51110422403 is a deficient number, since it is larger than the sum of its proper divisors (6960205).

51110422403 is an equidigital number, since it uses as much as digits as its factorization.

51110422403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960204.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 51110422403 its reverse (30422401115), we get a palindrome (81532823518).

The spelling of 51110422403 in words is "fifty-one billion, one hundred ten million, four hundred twenty-two thousand, four hundred three".