119766661405 has 24 divisors (see below), whose sum is σ = 151736679000. Its totient is φ = 90737995392.

The previous prime is 119766661397. The next prime is 119766661507. The reversal of 119766661405 is 504166667911.

It can be written as a sum of positive squares in 4 ways, for example, as 31891173561 + 87875487844 = 178581^2 + 296438^2 .

It is not a de Polignac number, because 119766661405 - 2³ = 119766661397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5818071 + ... + 5838619.

It is an arithmetic number, because the mean of its divisors is an integer number (6322361625).

Almost surely, 2^119766661405 is an apocalyptic number.

It is an amenable number.

119766661405 is a deficient number, since it is larger than the sum of its proper divisors (31970017595).

119766661405 is a wasteful number, since it uses less digits than its factorization.

119766661405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23821 (or 23802 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 119766661405 in words is "one hundred nineteen billion, seven hundred sixty-six million, six hundred sixty-one thousand, four hundred five".