11720457505107 has 48 divisors (see below), whose sum is σ = 19312912120320. Its totient is φ = 6785284847616.

The previous prime is 11720457505049. The next prime is 11720457505109. The reversal of 11720457505107 is 70150575402711.

11720457505107 is a `hidden beast` number, since 1 + 1 + 7 + 20 + 4 + 575 + 0 + 51 + 0 + 7 = 666.

It is not a de Polignac number, because 11720457505107 - 2¹¹ = 11720457503059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11720457505109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3137463 + ... + 5769279.

It is an arithmetic number, because the mean of its divisors is an integer number (402352335840).

Almost surely, 2^{11720457505107} is an apocalyptic number.

11720457505107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11720457505107 is a deficient number, since it is larger than the sum of its proper divisors (7592454615213).

11720457505107 is a wasteful number, since it uses less digits than its factorization.

11720457505107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634092 (or 2634089 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 45.

The spelling of 11720457505107 in words is "eleven trillion, seven hundred twenty billion, four hundred fifty-seven million, five hundred five thousand, one hundred seven".