11507736387 has 12 divisors (see below), whose sum is σ = 17848734216. Its totient is φ = 6575849280.

The previous prime is 11507736313. The next prime is 11507736389. The reversal of 11507736387 is 78363770511.

It is not a de Polignac number, because 11507736387 - 2²³ = 11499347779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11507736389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39141814 + ... + 39142107.

It is an arithmetic number, because the mean of its divisors is an integer number (1487394518).

Almost surely, 2^11507736387 is an apocalyptic number.

11507736387 is a deficient number, since it is larger than the sum of its proper divisors (6340997829).

11507736387 is an equidigital number, since it uses as much as digits as its factorization.

11507736387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78283938 (or 78283931 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 11507736387 in words is "eleven billion, five hundred seven million, seven hundred thirty-six thousand, three hundred eighty-seven".