120055178451 has 8 divisors (see below), whose sum is σ = 172386922960. Its totient is φ = 73880109792.

The previous prime is 120055178443. The next prime is 120055178473. The reversal of 120055178451 is 154871550021.

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

It is not a de Polignac number, because 120055178451 - 2³ = 120055178443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3078337909 = 120055178451 / (1 + 2 + 0 + 0 + 5 + 5 + 1 + 7 + 8 + 4 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120055178401) 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, 1539168916 + ... + 1539168993.

It is an arithmetic number, because the mean of its divisors is an integer number (21548365370).

Almost surely, 2^120055178451 is an apocalyptic number.

120055178451 is a deficient number, since it is larger than the sum of its proper divisors (52331744509).

120055178451 is a wasteful number, since it uses less digits than its factorization.

120055178451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078337925.

The product of its (nonzero) digits is 56000, while the sum is 39.

The spelling of 120055178451 in words is "one hundred twenty billion, fifty-five million, one hundred seventy-eight thousand, four hundred fifty-one".