120155043131225 has 12 divisors (see below), whose sum is σ = 148996856279484. Its totient is φ = 96121064958720.

The previous prime is 120155043131209. The next prime is 120155043131231. The reversal of 120155043131225 is 522131340551021.

It can be written as a sum of positive squares in 6 ways, for example, as 3337596494281 + 116817446636944 = 1826909^2 + 10808212^2 .

It is not a de Polignac number, because 120155043131225 - 2⁴ = 120155043131209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73413044 + ... + 75031893.

It is an arithmetic number, because the mean of its divisors is an integer number (12416404689957).

Almost surely, 2^{120155043131225} is an apocalyptic number.

It is an amenable number.

120155043131225 is a deficient number, since it is larger than the sum of its proper divisors (28841813148259).

120155043131225 is a wasteful number, since it uses less digits than its factorization.

120155043131225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148477324 (or 148477319 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 120155043131225 its reverse (522131340551021), we get a palindrome (642286383682246).

The spelling of 120155043131225 in words is "one hundred twenty trillion, one hundred fifty-five billion, forty-three million, one hundred thirty-one thousand, two hundred twenty-five".