120356661363 has 16 divisors (see below), whose sum is σ = 163972784640. Its totient is φ = 78490882656.

The previous prime is 120356661311. The next prime is 120356661379. The reversal of 120356661363 is 363166653021.

It is not a de Polignac number, because 120356661363 - 2¹³ = 120356653171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120356660363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65373 + ... + 494961.

It is an arithmetic number, because the mean of its divisors is an integer number (10248299040).

Almost surely, 2^120356661363 is an apocalyptic number.

120356661363 is a deficient number, since it is larger than the sum of its proper divisors (43616123277).

120356661363 is a wasteful number, since it uses less digits than its factorization.

120356661363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431626.

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 120356661363 in words is "one hundred twenty billion, three hundred fifty-six million, six hundred sixty-one thousand, three hundred sixty-three".