1131563642667 has 16 divisors (see below), whose sum is σ = 1588254917760. Its totient is φ = 714628835712.

The previous prime is 1131563642639. The next prime is 1131563642719. The reversal of 1131563642667 is 7662463651311.

It is not a de Polignac number, because 1131563642667 - 2¹⁴ = 1131563626283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131563642767) 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, 374403 + ... + 1550259.

It is an arithmetic number, because the mean of its divisors is an integer number (99265932360).

Almost surely, 2^{1131563642667} is an apocalyptic number.

1131563642667 is a deficient number, since it is larger than the sum of its proper divisors (456691275093).

1131563642667 is a wasteful number, since it uses less digits than its factorization.

1131563642667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192762.

The product of its digits is 3265920, while the sum is 51.

The spelling of 1131563642667 in words is "one trillion, one hundred thirty-one billion, five hundred sixty-three million, six hundred forty-two thousand, six hundred sixty-seven".