11674687242521 has 2 divisors, whose sum is σ = 11674687242522. Its totient is φ = 11674687242520.

The previous prime is 11674687242479. The next prime is 11674687242541. The reversal of 11674687242521 is 12524278647611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9125111808400 + 2549575434121 = 3020780^2 + 1596739^2 .

It is a cyclic number.

It is not a de Polignac number, because 11674687242521 - 2⁶ = 11674687242457 is a prime.

It is not a weakly prime, because it can be changed into another prime (11674687242541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5837343621260 + 5837343621261.

It is an arithmetic number, because the mean of its divisors is an integer number (5837343621261).

Almost surely, 2^{11674687242521} is an apocalyptic number.

It is an amenable number.

11674687242521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11674687242521 is an equidigital number, since it uses as much as digits as its factorization.

11674687242521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 56.

The spelling of 11674687242521 in words is "eleven trillion, six hundred seventy-four billion, six hundred eighty-seven million, two hundred forty-two thousand, five hundred twenty-one".