120163055531 has 8 divisors (see below), whose sum is σ = 125804281680. Its totient is φ = 114621674272.

The previous prime is 120163055491. The next prime is 120163055567. The reversal of 120163055531 is 135550361021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120163055531 - 2¹⁴ = 120163039147 is a prime.

It is a super-2 number, since 2×120163055531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120163055231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24958760 + ... + 24963573.

It is an arithmetic number, because the mean of its divisors is an integer number (15725535210).

Almost surely, 2^120163055531 is an apocalyptic number.

120163055531 is a deficient number, since it is larger than the sum of its proper divisors (5641226149).

120163055531 is an equidigital number, since it uses as much as digits as its factorization.

120163055531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49922445.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 120163055531 in words is "one hundred twenty billion, one hundred sixty-three million, fifty-five thousand, five hundred thirty-one".