120155851157705 has 64 divisors (see below), whose sum is σ = 168128768966400. Its totient is φ = 81516948480000.

The previous prime is 120155851157687. The next prime is 120155851157717. The reversal of 120155851157705 is 507751158551021.

It is not a de Polignac number, because 120155851157705 - 2¹⁶ = 120155851092169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19733855 + ... + 25094555.

It is an arithmetic number, because the mean of its divisors is an integer number (2627012015100).

Almost surely, 2^{120155851157705} is an apocalyptic number.

It is an amenable number.

120155851157705 is a deficient number, since it is larger than the sum of its proper divisors (47972917808695).

120155851157705 is a wasteful number, since it uses less digits than its factorization.

120155851157705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361066.

The product of its (nonzero) digits is 2450000, while the sum is 53.

The spelling of 120155851157705 in words is "one hundred twenty trillion, one hundred fifty-five billion, eight hundred fifty-one million, one hundred fifty-seven thousand, seven hundred five".