120020055519653 has 2 divisors, whose sum is σ = 120020055519654. Its totient is φ = 120020055519652.

The previous prime is 120020055519647. The next prime is 120020055519677. The reversal of 120020055519653 is 356915550020021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78794435884129 + 41225619635524 = 8876623^2 + 6420718^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020055519653 - 2⁶ = 120020055519589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120020055519643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010027759826 + 60010027759827.

It is an arithmetic number, because the mean of its divisors is an integer number (60010027759827).

Almost surely, 2^{120020055519653} is an apocalyptic number.

It is an amenable number.

120020055519653 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020055519653 is an equidigital number, since it uses as much as digits as its factorization.

120020055519653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 120020055519653 in words is "one hundred twenty trillion, twenty billion, fifty-five million, five hundred nineteen thousand, six hundred fifty-three".