1101149379389 has 2 divisors, whose sum is σ = 1101149379390. Its totient is φ = 1101149379388.

The previous prime is 1101149379347. The next prime is 1101149379391. The reversal of 1101149379389 is 9839739411011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992952460900 + 108196918489 = 996470^2 + 328933^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101149379389 - 2²⁸ = 1100880943933 is a prime.

Together with 1101149379391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101149379989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550574689694 + 550574689695.

It is an arithmetic number, because the mean of its divisors is an integer number (550574689695).

Almost surely, 2^{1101149379389} is an apocalyptic number.

It is an amenable number.

1101149379389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101149379389 is an equidigital number, since it uses as much as digits as its factorization.

1101149379389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 1101149379389 in words is "one trillion, one hundred one billion, one hundred forty-nine million, three hundred seventy-nine thousand, three hundred eighty-nine".