3115235112061 has 2 divisors, whose sum is σ = 3115235112062. Its totient is φ = 3115235112060.

The previous prime is 3115235112043. The next prime is 3115235112109. The reversal of 3115235112061 is 1602115325113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3026799652900 + 88435459161 = 1739770^2 + 297381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3115235112061 is a prime.

It is a super-2 number, since 2×3115235112061² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115235112361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557617556030 + 1557617556031.

It is an arithmetic number, because the mean of its divisors is an integer number (1557617556031).

Almost surely, 2^{3115235112061} is an apocalyptic number.

It is an amenable number.

3115235112061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115235112061 is an equidigital number, since it uses as much as digits as its factorization.

3115235112061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 3115235112061 in words is "three trillion, one hundred fifteen billion, two hundred thirty-five million, one hundred twelve thousand, sixty-one".