1115525772277 has 4 divisors (see below), whose sum is σ = 1274886596896. Its totient is φ = 956164947660.

The previous prime is 1115525772271. The next prime is 1115525772313. The reversal of 1115525772277 is 7722775255111.

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.

It is a cyclic number.

It is not a de Polignac number, because 1115525772277 - 2²⁷ = 1115391554549 is a prime.

It is a super-2 number, since 2×1115525772277² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115525772271) 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, 79680412299 + ... + 79680412312.

It is an arithmetic number, because the mean of its divisors is an integer number (318721649224).

Almost surely, 2^{1115525772277} is an apocalyptic number.

It is an amenable number.

1115525772277 is a deficient number, since it is larger than the sum of its proper divisors (159360824619).

1115525772277 is an equidigital number, since it uses as much as digits as its factorization.

1115525772277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159360824618.

The product of its digits is 2401000, while the sum is 52.

The spelling of 1115525772277 in words is "one trillion, one hundred fifteen billion, five hundred twenty-five million, seven hundred seventy-two thousand, two hundred seventy-seven".