42775753322155 has 32 divisors (see below), whose sum is σ = 59878941696000. Its totient is φ = 29323208841696.

The previous prime is 42775753322149. The next prime is 42775753322161. The reversal of 42775753322155 is 55122335757724.

It is an interprime number because it is at equal distance from previous prime (42775753322149) and next prime (42775753322161).

It is not a de Polignac number, because 42775753322155 - 2¹⁵ = 42775753289387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42775753322155.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2047954 + ... + 9473416.

It is an arithmetic number, because the mean of its divisors is an integer number (1871216928000).

Almost surely, 2^{42775753322155} is an apocalyptic number.

42775753322155 is a deficient number, since it is larger than the sum of its proper divisors (17103188373845).

42775753322155 is an equidigital number, since it uses as much as digits as its factorization.

42775753322155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428848 (or 7428834 counting only the distinct ones).

The product of its digits is 61740000, while the sum is 58.

The spelling of 42775753322155 in words is "forty-two trillion, seven hundred seventy-five billion, seven hundred fifty-three million, three hundred twenty-two thousand, one hundred fifty-five".