1551110411189 has 2 divisors, whose sum is σ = 1551110411190. Its totient is φ = 1551110411188.

The previous prime is 1551110411167. The next prime is 1551110411219. The reversal of 1551110411189 is 9811140111551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966764830564 + 584345580625 = 983242^2 + 764425^2 .

It is a cyclic number.

It is not a de Polignac number, because 1551110411189 - 2²⁰ = 1551109362613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1551110411989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775555205594 + 775555205595.

It is an arithmetic number, because the mean of its divisors is an integer number (775555205595).

Almost surely, 2^{1551110411189} is an apocalyptic number.

It is an amenable number.

1551110411189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551110411189 is an equidigital number, since it uses as much as digits as its factorization.

1551110411189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 38.

The spelling of 1551110411189 in words is "one trillion, five hundred fifty-one billion, one hundred ten million, four hundred eleven thousand, one hundred eighty-nine".