120254433311155 has 64 divisors (see below), whose sum is σ = 169845423205248. Its totient is φ = 80581780316160.

The previous prime is 120254433311113. The next prime is 120254433311161. The reversal of 120254433311155 is 551113334452021.

It is not a de Polignac number, because 120254433311155 - 2³⁹ = 119704677497267 is a prime.

It is a super-2 number, since 2×120254433311155² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2321622717 + ... + 2321674513.

It is an arithmetic number, because the mean of its divisors is an integer number (2653834737582).

Almost surely, 2^{120254433311155} is an apocalyptic number.

120254433311155 is a deficient number, since it is larger than the sum of its proper divisors (49590989894093).

120254433311155 is a wasteful number, since it uses less digits than its factorization.

120254433311155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57736.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 120254433311155 its reverse (551113334452021), we get a palindrome (671367767763176).

The spelling of 120254433311155 in words is "one hundred twenty trillion, two hundred fifty-four billion, four hundred thirty-three million, three hundred eleven thousand, one hundred fifty-five".