1131420463611 has 4 divisors (see below), whose sum is σ = 1508560618152. Its totient is φ = 754280309072.

The previous prime is 1131420463603. The next prime is 1131420463643. The reversal of 1131420463611 is 1163640241311.

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 1131420463611 - 2³ = 1131420463603 is a prime.

It is a super-2 number, since 2×1131420463611² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131420463651) 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, 188570077266 + ... + 188570077271.

It is an arithmetic number, because the mean of its divisors is an integer number (377140154538).

Almost surely, 2^{1131420463611} is an apocalyptic number.

1131420463611 is a deficient number, since it is larger than the sum of its proper divisors (377140154541).

1131420463611 is an equidigital number, since it uses as much as digits as its factorization.

1131420463611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377140154540.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 1131420463611 in words is "one trillion, one hundred thirty-one billion, four hundred twenty million, four hundred sixty-three thousand, six hundred eleven".