20155115083 has 2 divisors, whose sum is σ = 20155115084. Its totient is φ = 20155115082.

The previous prime is 20155115069. The next prime is 20155115137. The reversal of 20155115083 is 38051155102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20155115083 - 2¹⁷ = 20154984011 is a prime.

It is not a weakly prime, because it can be changed into another prime (20155115023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077557541 + 10077557542.

It is an arithmetic number, because the mean of its divisors is an integer number (10077557542).

Almost surely, 2^20155115083 is an apocalyptic number.

20155115083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20155115083 is an equidigital number, since it uses as much as digits as its factorization.

20155115083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 20155115083 in words is "twenty billion, one hundred fifty-five million, one hundred fifteen thousand, eighty-three".