11356780827 has 16 divisors (see below), whose sum is σ = 18323546112. Its totient is φ = 6107848320.

The previous prime is 11356780823. The next prime is 11356780829. The reversal of 11356780827 is 72808765311.

It is a happy number.

It is not a de Polignac number, because 11356780827 - 2² = 11356780823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11356780823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15905499 + ... + 15906212.

It is an arithmetic number, because the mean of its divisors is an integer number (1145221632).

Almost surely, 2^11356780827 is an apocalyptic number.

11356780827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11356780827 is a deficient number, since it is larger than the sum of its proper divisors (6966765285).

11356780827 is a wasteful number, since it uses less digits than its factorization.

11356780827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31811738.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 11356780827 in words is "eleven billion, three hundred fifty-six million, seven hundred eighty thousand, eight hundred twenty-seven".