155116097 has 2 divisors, whose sum is σ = 155116098. Its totient is φ = 155116096.

The previous prime is 155116069. The next prime is 155116111. The reversal of 155116097 is 790611551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151019521 + 4096576 = 12289^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 155116097 - 2¹⁰ = 155115073 is a prime.

It is a super-2 number, since 2×155116097² = 48122007097026818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (155116397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77558048 + 77558049.

It is an arithmetic number, because the mean of its divisors is an integer number (77558049).

Almost surely, 2^155116097 is an apocalyptic number.

It is an amenable number.

155116097 is a deficient number, since it is larger than the sum of its proper divisors (1).

155116097 is an equidigital number, since it uses as much as digits as its factorization.

155116097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 35.

The square root of 155116097 is about 12454.5612929561. The cubic root of 155116097 is about 537.3026174118.

The spelling of 155116097 in words is "one hundred fifty-five million, one hundred sixteen thousand, ninety-seven".