11527470351947 has 16 divisors (see below), whose sum is σ = 13315572973152. Its totient is φ = 9862765086720.

The previous prime is 11527470351893. The next prime is 11527470351977. The reversal of 11527470351947 is 74915307472511.

It is a happy number.

It is not a de Polignac number, because 11527470351947 - 2¹⁶ = 11527470286411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11527470351892 and 11527470351901.

It is not an unprimeable number, because it can be changed into a prime (11527470351977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5071343 + ... + 6983799.

It is an arithmetic number, because the mean of its divisors is an integer number (832223310822).

Almost surely, 2^{11527470351947} is an apocalyptic number.

11527470351947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11527470351947 is a deficient number, since it is larger than the sum of its proper divisors (1788102621205).

11527470351947 is a wasteful number, since it uses less digits than its factorization.

11527470351947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944718.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 11527470351947 in words is "eleven trillion, five hundred twenty-seven billion, four hundred seventy million, three hundred fifty-one thousand, nine hundred forty-seven".