11247815377 has 4 divisors (see below), whose sum is σ = 11839805680. Its totient is φ = 10655825076.

The previous prime is 11247815317. The next prime is 11247815389. The reversal of 11247815377 is 77351874211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77351874211 = 1151 ⋅67204061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11247815377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11247815317) 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, 295995123 + ... + 295995160.

It is an arithmetic number, because the mean of its divisors is an integer number (2959951420).

Almost surely, 2^11247815377 is an apocalyptic number.

It is an amenable number.

11247815377 is a deficient number, since it is larger than the sum of its proper divisors (591990303).

11247815377 is an equidigital number, since it uses as much as digits as its factorization.

11247815377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591990302.

The product of its digits is 329280, while the sum is 46.

The spelling of 11247815377 in words is "eleven billion, two hundred forty-seven million, eight hundred fifteen thousand, three hundred seventy-seven".