155120865854283 has 12 divisors (see below), whose sum is σ = 256072540457968. Its totient is φ = 88640494773840.

The previous prime is 155120865854231. The next prime is 155120865854293. The reversal of 155120865854283 is 382458568021551.

155120865854283 is a `hidden beast` number, since 1 + 5 + 5 + 1 + 2 + 0 + 8 + 6 + 5 + 8 + 542 + 83 = 666.

It is not a de Polignac number, because 155120865854283 - 2¹⁶ = 155120865788747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 2462235965941 = 155120865854283 / (1 + 5 + 5 + 1 + 2 + 0 + 8 + 6 + 5 + 8 + 5 + 4 + 2 + 8 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155120865854283.

It is not an unprimeable number, because it can be changed into a prime (155120865854293) 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, 1231117982908 + ... + 1231117983033.

Almost surely, 2^{155120865854283} is an apocalyptic number.

155120865854283 is a deficient number, since it is larger than the sum of its proper divisors (100951674603685).

155120865854283 is a wasteful number, since it uses less digits than its factorization.

155120865854283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462235965954 (or 2462235965951 counting only the distinct ones).

The product of its (nonzero) digits is 92160000, while the sum is 63.

The spelling of 155120865854283 in words is "one hundred fifty-five trillion, one hundred twenty billion, eight hundred sixty-five million, eight hundred fifty-four thousand, two hundred eighty-three".