1536665045151 has 4 divisors (see below), whose sum is σ = 2048886726872. Its totient is φ = 1024443363432.

The previous prime is 1536665045131. The next prime is 1536665045161. The reversal of 1536665045151 is 1515405666351.

It is a happy number.

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

It is not a de Polignac number, because 1536665045151 - 2¹⁰ = 1536665044127 is a prime.

It is a super-2 number, since 2×1536665045151² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1536665045151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1536665045131) 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, 256110840856 + ... + 256110840861.

It is an arithmetic number, because the mean of its divisors is an integer number (512221681718).

Almost surely, 2^{1536665045151} is an apocalyptic number.

1536665045151 is a deficient number, since it is larger than the sum of its proper divisors (512221681721).

1536665045151 is an equidigital number, since it uses as much as digits as its factorization.

1536665045151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512221681720.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 1536665045151 in words is "one trillion, five hundred thirty-six billion, six hundred sixty-five million, forty-five thousand, one hundred fifty-one".