1131377777313 has 16 divisors (see below), whose sum is σ = 1724019701760. Its totient is φ = 646495785936.

The previous prime is 1131377777291. The next prime is 1131377777339. The reversal of 1131377777313 is 3137777731311.

It is not a de Polignac number, because 1131377777313 - 2⁵ = 1131377777281 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1131377773313) 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, 3504856 + ... + 3814022.

It is an arithmetic number, because the mean of its divisors is an integer number (107751231360).

Almost surely, 2^{1131377777313} is an apocalyptic number.

It is an amenable number.

1131377777313 is a deficient number, since it is larger than the sum of its proper divisors (592641924447).

1131377777313 is a wasteful number, since it uses less digits than its factorization.

1131377777313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483436.

The product of its digits is 1361367, while the sum is 51.

The spelling of 1131377777313 in words is "one trillion, one hundred thirty-one billion, three hundred seventy-seven million, seven hundred seventy-seven thousand, three hundred thirteen".