120205115113151 has 32 divisors (see below), whose sum is σ = 132153739280640. Its totient is φ = 108827515109376.

The previous prime is 120205115113121. The next prime is 120205115113169. The reversal of 120205115113151 is 151311511502021.

It is a cyclic number.

It is not a de Polignac number, because 120205115113151 - 2¹⁸ = 120205114851007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120205115113121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1514012111 + ... + 1514091503.

It is an arithmetic number, because the mean of its divisors is an integer number (4129804352520).

Almost surely, 2^{120205115113151} is an apocalyptic number.

120205115113151 is a deficient number, since it is larger than the sum of its proper divisors (11948624167489).

120205115113151 is a wasteful number, since it uses less digits than its factorization.

120205115113151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90803.

The product of its (nonzero) digits is 1500, while the sum is 29.

Adding to 120205115113151 its reverse (151311511502021), we get a palindrome (271516626615172).

The spelling of 120205115113151 in words is "one hundred twenty trillion, two hundred five billion, one hundred fifteen million, one hundred thirteen thousand, one hundred fifty-one".