120500617511 has 2 divisors, whose sum is σ = 120500617512. Its totient is φ = 120500617510.

The previous prime is 120500617507. The next prime is 120500617537. The reversal of 120500617511 is 115716005021.

It is a weak prime.

It is an emirp because it is prime and its reverse (115716005021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120500617511 - 2² = 120500617507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120500617541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60250308755 + 60250308756.

It is an arithmetic number, because the mean of its divisors is an integer number (60250308756).

Almost surely, 2^120500617511 is an apocalyptic number.

120500617511 is a deficient number, since it is larger than the sum of its proper divisors (1).

120500617511 is an equidigital number, since it uses as much as digits as its factorization.

120500617511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 120500617511 in words is "one hundred twenty billion, five hundred million, six hundred seventeen thousand, five hundred eleven".