11527311457 has 8 divisors (see below), whose sum is σ = 12136197600. Its totient is φ = 10918643904.

The previous prime is 11527311449. The next prime is 11527311487. The reversal of 11527311457 is 75411372511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11527311457 - 2³ = 11527311449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11527311437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59769 + ... + 163177.

It is an arithmetic number, because the mean of its divisors is an integer number (1517024700).

Almost surely, 2^11527311457 is an apocalyptic number.

It is an amenable number.

11527311457 is a deficient number, since it is larger than the sum of its proper divisors (608886143).

11527311457 is a wasteful number, since it uses less digits than its factorization.

11527311457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109295.

The product of its digits is 29400, while the sum is 37.

Adding to 11527311457 its reverse (75411372511), we get a palindrome (86938683968).

The spelling of 11527311457 in words is "eleven billion, five hundred twenty-seven million, three hundred eleven thousand, four hundred fifty-seven".