115620120653 has 4 divisors (see below), whose sum is σ = 115620818688. Its totient is φ = 115619422620.

The previous prime is 115620120643. The next prime is 115620120659. The reversal of 115620120653 is 356021026511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 115620120653 - 2⁶ = 115620120589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115620120659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56468 + ... + 484178.

It is an arithmetic number, because the mean of its divisors is an integer number (28905204672).

Almost surely, 2^115620120653 is an apocalyptic number.

It is an amenable number.

115620120653 is a deficient number, since it is larger than the sum of its proper divisors (698035).

115620120653 is an equidigital number, since it uses as much as digits as its factorization.

115620120653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698034.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 115620120653 in words is "one hundred fifteen billion, six hundred twenty million, one hundred twenty thousand, six hundred fifty-three".