11507209733361 has 4 divisors (see below), whose sum is σ = 15342946311152. Its totient is φ = 7671473155572.

The previous prime is 11507209733351. The next prime is 11507209733399. The reversal of 11507209733361 is 16333790270511.

11507209733361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 11507209733361 - 2⁵ = 11507209733329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11507209733361.

It is not an unprimeable number, because it can be changed into a prime (11507209733311) 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, 1917868288891 + ... + 1917868288896.

It is an arithmetic number, because the mean of its divisors is an integer number (3835736577788).

Almost surely, 2^{11507209733361} is an apocalyptic number.

It is an amenable number.

11507209733361 is a deficient number, since it is larger than the sum of its proper divisors (3835736577791).

11507209733361 is an equidigital number, since it uses as much as digits as its factorization.

11507209733361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835736577790.

The product of its (nonzero) digits is 714420, while the sum is 48.

The spelling of 11507209733361 in words is "eleven trillion, five hundred seven billion, two hundred nine million, seven hundred thirty-three thousand, three hundred sixty-one".