1042518153197 has 2 divisors, whose sum is σ = 1042518153198. Its totient is φ = 1042518153196.

The previous prime is 1042518153167. The next prime is 1042518153251. The reversal of 1042518153197 is 7913518152401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665563904041 + 376954249156 = 815821^2 + 613966^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042518153197 - 2¹⁴ = 1042518136813 is a prime.

It is a super-2 number, since 2×1042518153197² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042518153167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521259076598 + 521259076599.

It is an arithmetic number, because the mean of its divisors is an integer number (521259076599).

Almost surely, 2^{1042518153197} is an apocalyptic number.

It is an amenable number.

1042518153197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042518153197 is an equidigital number, since it uses as much as digits as its factorization.

1042518153197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 1042518153197 in words is "one trillion, forty-two billion, five hundred eighteen million, one hundred fifty-three thousand, one hundred ninety-seven".