116420421253 has 16 divisors (see below), whose sum is σ = 118506240000. Its totient is φ = 114347677360.

The previous prime is 116420421239. The next prime is 116420421329. The reversal of 116420421253 is 352124024611.

It is a cyclic number.

It is not a de Polignac number, because 116420421253 - 2²⁵ = 116386866821 is a prime.

It is a super-3 number, since 3×116420421253³ (a number of 34 digits) contains 333 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 (116420421203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38818248 + ... + 38821246.

It is an arithmetic number, because the mean of its divisors is an integer number (7406640000).

Almost surely, 2^116420421253 is an apocalyptic number.

It is an amenable number.

116420421253 is a deficient number, since it is larger than the sum of its proper divisors (2085818747).

116420421253 is a wasteful number, since it uses less digits than its factorization.

116420421253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 116420421253 its reverse (352124024611), we get a palindrome (468544445864).

The spelling of 116420421253 in words is "one hundred sixteen billion, four hundred twenty million, four hundred twenty-one thousand, two hundred fifty-three".