1131232100149 has 2 divisors, whose sum is σ = 1131232100150. Its totient is φ = 1131232100148.

The previous prime is 1131232100111. The next prime is 1131232100171. The reversal of 1131232100149 is 9410012321311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619731072900 + 511501027249 = 787230^2 + 715193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131232100149 - 2²⁵ = 1131198545717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131232101149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565616050074 + 565616050075.

It is an arithmetic number, because the mean of its divisors is an integer number (565616050075).

Almost surely, 2^{1131232100149} is an apocalyptic number.

It is an amenable number.

1131232100149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131232100149 is an equidigital number, since it uses as much as digits as its factorization.

1131232100149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1131232100149 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-two million, one hundred thousand, one hundred forty-nine".