114642577661 has 2 divisors, whose sum is σ = 114642577662. Its totient is φ = 114642577660.

The previous prime is 114642577627. The next prime is 114642577729. The reversal of 114642577661 is 166775246411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111505905625 + 3136672036 = 333925^2 + 56006^2 .

It is a cyclic number.

It is not a de Polignac number, because 114642577661 - 2⁶ = 114642577597 is a prime.

It is a super-2 number, since 2×114642577661² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (114642576661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57321288830 + 57321288831.

It is an arithmetic number, because the mean of its divisors is an integer number (57321288831).

Almost surely, 2^114642577661 is an apocalyptic number.

It is an amenable number.

114642577661 is a deficient number, since it is larger than the sum of its proper divisors (1).

114642577661 is an equidigital number, since it uses as much as digits as its factorization.

114642577661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The spelling of 114642577661 in words is "one hundred fourteen billion, six hundred forty-two million, five hundred seventy-seven thousand, six hundred sixty-one".