11757612407109 has 4 divisors (see below), whose sum is σ = 15676816542816. Its totient is φ = 7838408271404.

The previous prime is 11757612407089. The next prime is 11757612407153. The reversal of 11757612407109 is 90170421675711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11757612407109 - 2⁵ = 11757612407077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11757612403109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959602067849 + ... + 1959602067854.

It is an arithmetic number, because the mean of its divisors is an integer number (3919204135704).

Almost surely, 2^{11757612407109} is an apocalyptic number.

It is an amenable number.

11757612407109 is a deficient number, since it is larger than the sum of its proper divisors (3919204135707).

11757612407109 is an equidigital number, since it uses as much as digits as its factorization.

11757612407109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919204135706.

The product of its (nonzero) digits is 740880, while the sum is 51.

The spelling of 11757612407109 in words is "eleven trillion, seven hundred fifty-seven billion, six hundred twelve million, four hundred seven thousand, one hundred nine".