1540112335169 has 2 divisors, whose sum is σ = 1540112335170. Its totient is φ = 1540112335168.

The previous prime is 1540112335109. The next prime is 1540112335189. The reversal of 1540112335169 is 9615332110451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1508610345025 + 31501990144 = 1228255^2 + 177488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1540112335169 - 2¹² = 1540112331073 is a prime.

It is a super-2 number, since 2×1540112335169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1540112335109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770056167584 + 770056167585.

It is an arithmetic number, because the mean of its divisors is an integer number (770056167585).

Almost surely, 2^{1540112335169} is an apocalyptic number.

It is an amenable number.

1540112335169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1540112335169 is an equidigital number, since it uses as much as digits as its factorization.

1540112335169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 1540112335169 in words is "one trillion, five hundred forty billion, one hundred twelve million, three hundred thirty-five thousand, one hundred sixty-nine".