11152257647 has 4 divisors (see below), whose sum is σ = 11411612520. Its totient is φ = 10892902776.

The previous prime is 11152257587. The next prime is 11152257671. The reversal of 11152257647 is 74675225111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74675225111 = 4073 ⋅18334207.

It is a cyclic number.

It is not a de Polignac number, because 11152257647 - 2¹⁰ = 11152256623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152257047) 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, 129677372 + ... + 129677457.

It is an arithmetic number, because the mean of its divisors is an integer number (2852903130).

Almost surely, 2^11152257647 is an apocalyptic number.

11152257647 is a deficient number, since it is larger than the sum of its proper divisors (259354873).

11152257647 is an equidigital number, since it uses as much as digits as its factorization.

11152257647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259354872.

The product of its digits is 117600, while the sum is 41.

The spelling of 11152257647 in words is "eleven billion, one hundred fifty-two million, two hundred fifty-seven thousand, six hundred forty-seven".