151156066021 has 2 divisors, whose sum is σ = 151156066022. Its totient is φ = 151156066020.

The previous prime is 151156065919. The next prime is 151156066027. The reversal of 151156066021 is 120660651151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148445301796 + 2710764225 = 385286^2 + 52065^2 .

It is a cyclic number.

It is not a de Polignac number, because 151156066021 - 2¹⁷ = 151155934949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151156066027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75578033010 + 75578033011.

It is an arithmetic number, because the mean of its divisors is an integer number (75578033011).

Almost surely, 2^151156066021 is an apocalyptic number.

It is an amenable number.

151156066021 is a deficient number, since it is larger than the sum of its proper divisors (1).

151156066021 is an equidigital number, since it uses as much as digits as its factorization.

151156066021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 151156066021 in words is "one hundred fifty-one billion, one hundred fifty-six million, sixty-six thousand, twenty-one".