2151156466033 has 4 divisors (see below), whose sum is σ = 2277695081700. Its totient is φ = 2024617850368.

The previous prime is 2151156466027. The next prime is 2151156466051. The reversal of 2151156466033 is 3306646511512.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1055904215184 + 1095252250849 = 1027572^2 + 1046543^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151156466033 - 2⁵ = 2151156466001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151156466003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63269307808 + ... + 63269307841.

It is an arithmetic number, because the mean of its divisors is an integer number (569423770425).

Almost surely, 2^{2151156466033} is an apocalyptic number.

It is an amenable number.

2151156466033 is a deficient number, since it is larger than the sum of its proper divisors (126538615667).

2151156466033 is a wasteful number, since it uses less digits than its factorization.

2151156466033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126538615666.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 2151156466033 in words is "two trillion, one hundred fifty-one billion, one hundred fifty-six million, four hundred sixty-six thousand, thirty-three".