11662610136434 has 4 divisors (see below), whose sum is σ = 17493915204654. Its totient is φ = 5831305068216.

The previous prime is 11662610136403. The next prime is 11662610136439. The reversal of 11662610136434 is 43463101626611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9471603294409 + 2191006842025 = 3077597^2 + 1480205^2 .

It is not an unprimeable number, because it can be changed into a prime (11662610136439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915652534107 + ... + 2915652534110.

Almost surely, 2^{11662610136434} is an apocalyptic number.

11662610136434 is a deficient number, since it is larger than the sum of its proper divisors (5831305068220).

11662610136434 is an equidigital number, since it uses as much as digits as its factorization.

11662610136434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831305068219.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 11662610136434 in words is "eleven trillion, six hundred sixty-two billion, six hundred ten million, one hundred thirty-six thousand, four hundred thirty-four".