11655240531029 has 2 divisors, whose sum is σ = 11655240531030. Its totient is φ = 11655240531028.

The previous prime is 11655240531001. The next prime is 11655240531037. The reversal of 11655240531029 is 92013504255611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10771537128004 + 883703403025 = 3282002^2 + 940055^2 .

It is a cyclic number.

It is not a de Polignac number, because 11655240531029 - 2⁴⁰ = 10555728903253 is a prime.

It is a super-2 number, since 2×11655240531029² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11655240501029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827620265514 + 5827620265515.

It is an arithmetic number, because the mean of its divisors is an integer number (5827620265515).

Almost surely, 2^{11655240531029} is an apocalyptic number.

It is an amenable number.

11655240531029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655240531029 is an equidigital number, since it uses as much as digits as its factorization.

11655240531029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 11655240531029 in words is "eleven trillion, six hundred fifty-five billion, two hundred forty million, five hundred thirty-one thousand, twenty-nine".