120618854448554 has 32 divisors (see below), whose sum is σ = 225578760855552. Its totient is φ = 46993142574000.

The previous prime is 120618854448457. The next prime is 120618854448563. The reversal of 120618854448554 is 455844458816021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4155002 + ... + 16077989.

It is an arithmetic number, because the mean of its divisors is an integer number (7049336276736).

Almost surely, 2^{120618854448554} is an apocalyptic number.

120618854448554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

120618854448554 is a deficient number, since it is larger than the sum of its proper divisors (104959906406998).

120618854448554 is a wasteful number, since it uses less digits than its factorization.

120618854448554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20271722.

The product of its (nonzero) digits is 196608000, while the sum is 65.

The spelling of 120618854448554 in words is "one hundred twenty trillion, six hundred eighteen billion, eight hundred fifty-four million, four hundred forty-eight thousand, five hundred fifty-four".