12151540133 has 2 divisors, whose sum is σ = 12151540134. Its totient is φ = 12151540132.

The previous prime is 12151540097. The next prime is 12151540147. The reversal of 12151540133 is 33104515121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6448571809 + 5702968324 = 80303^2 + 75518^2 .

It is a cyclic number.

It is not a de Polignac number, because 12151540133 - 2²⁶ = 12084431269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12151540153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6075770066 + 6075770067.

It is an arithmetic number, because the mean of its divisors is an integer number (6075770067).

Almost surely, 2^12151540133 is an apocalyptic number.

It is an amenable number.

12151540133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12151540133 is an equidigital number, since it uses as much as digits as its factorization.

12151540133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 12151540133 in words is "twelve billion, one hundred fifty-one million, five hundred forty thousand, one hundred thirty-three".