114643309781 has 32 divisors (see below), whose sum is σ = 156450153216. Its totient is φ = 81108864000.

The previous prime is 114643309757. The next prime is 114643309787. The reversal of 114643309781 is 187903346411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-114643309781 is a prime.

It is a super-2 number, since 2×114643309781² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114643309787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877700 + ... + 999821.

It is an arithmetic number, because the mean of its divisors is an integer number (4889067288).

Almost surely, 2^114643309781 is an apocalyptic number.

114643309781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

114643309781 is a deficient number, since it is larger than the sum of its proper divisors (41806843435).

114643309781 is a wasteful number, since it uses less digits than its factorization.

114643309781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877613.

The product of its (nonzero) digits is 435456, while the sum is 47.

It can be divided in two parts, 114643 and 309781, that added together give a palindrome (424424).

The spelling of 114643309781 in words is "one hundred fourteen billion, six hundred forty-three million, three hundred nine thousand, seven hundred eighty-one".