1127805639523 has 4 divisors (see below), whose sum is σ = 1131432024528. Its totient is φ = 1124179254520.

The previous prime is 1127805639497. The next prime is 1127805639529. The reversal of 1127805639523 is 3259365087211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1127805639523 - 2¹³ = 1127805631331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127805639529) 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, 1813192036 + ... + 1813192657.

It is an arithmetic number, because the mean of its divisors is an integer number (282858006132).

Almost surely, 2^{1127805639523} is an apocalyptic number.

1127805639523 is a deficient number, since it is larger than the sum of its proper divisors (3626385005).

1127805639523 is an equidigital number, since it uses as much as digits as its factorization.

1127805639523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626385004.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 1127805639523 in words is "one trillion, one hundred twenty-seven billion, eight hundred five million, six hundred thirty-nine thousand, five hundred twenty-three".