2011420163155 has 32 divisors (see below), whose sum is σ = 2661517664064. Its totient is φ = 1450238017536.

The previous prime is 2011420163143. The next prime is 2011420163173. The reversal of 2011420163155 is 5513610241102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011420163155 is a prime.

It is a super-2 number, since 2×2011420163155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 1551534 + ... + 2535763.

It is an arithmetic number, because the mean of its divisors is an integer number (83172427002).

Almost surely, 2^{2011420163155} is an apocalyptic number.

2011420163155 is a deficient number, since it is larger than the sum of its proper divisors (650097500909).

2011420163155 is a wasteful number, since it uses less digits than its factorization.

2011420163155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087495.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 2011420163155 in words is "two trillion, eleven billion, four hundred twenty million, one hundred sixty-three thousand, one hundred fifty-five".