1131145611619 has 2 divisors, whose sum is σ = 1131145611620. Its totient is φ = 1131145611618.

The previous prime is 1131145611539. The next prime is 1131145611677. The reversal of 1131145611619 is 9161165411311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131145611619 - 2¹⁵ = 1131145578851 is a prime.

It is a super-2 number, since 2×1131145611619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1131145611679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565572805809 + 565572805810.

It is an arithmetic number, because the mean of its divisors is an integer number (565572805810).

Almost surely, 2^{1131145611619} is an apocalyptic number.

1131145611619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131145611619 is an equidigital number, since it uses as much as digits as its factorization.

1131145611619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 40.

The spelling of 1131145611619 in words is "one trillion, one hundred thirty-one billion, one hundred forty-five million, six hundred eleven thousand, six hundred nineteen".