120544562215431 has 12 divisors (see below), whose sum is σ = 174121637406808. Its totient is φ = 80362250304624.

The previous prime is 120544562215369. The next prime is 120544562215439. The reversal of 120544562215431 is 134512265445021.

120544562215431 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 4 + 4 + 5 + 622 + 15 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 120544562215431 - 2¹⁵ = 120544562182663 is a prime.

It is a super-3 number, since 3×120544562215431³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120544562215439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64965325 + ... + 66795078.

Almost surely, 2^{120544562215431} is an apocalyptic number.

120544562215431 is a deficient number, since it is larger than the sum of its proper divisors (53577075191377).

120544562215431 is a wasteful number, since it uses less digits than its factorization.

120544562215431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131862062 (or 131862059 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 120544562215431 in words is "one hundred twenty trillion, five hundred forty-four billion, five hundred sixty-two million, two hundred fifteen thousand, four hundred thirty-one".