2981082155 has 4 divisors (see below), whose sum is σ = 3577298592. Its totient is φ = 2384865720.

The previous prime is 2981082101. The next prime is 2981082157. The reversal of 2981082155 is 5512801892.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2981082155 - 2¹² = 2981078059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2981082157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298108211 + ... + 298108220.

It is an arithmetic number, because the mean of its divisors is an integer number (894324648).

Almost surely, 2^2981082155 is an apocalyptic number.

2981082155 is a deficient number, since it is larger than the sum of its proper divisors (596216437).

2981082155 is an equidigital number, since it uses as much as digits as its factorization.

2981082155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596216436.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 2981082155 is about 54599.2871290459. The cubic root of 2981082155 is about 1439.2115917940.

The spelling of 2981082155 in words is "two billion, nine hundred eighty-one million, eighty-two thousand, one hundred fifty-five".