151812240506009 has 2 divisors, whose sum is σ = 151812240506010. Its totient is φ = 151812240506008.

The previous prime is 151812240505963. The next prime is 151812240506021. The reversal of 151812240506009 is 900605042218151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96067500768409 + 55744739737600 = 9801403^2 + 7466240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151812240506009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (151812240506039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75906120253004 + 75906120253005.

It is an arithmetic number, because the mean of its divisors is an integer number (75906120253005).

Almost surely, 2^{151812240506009} is an apocalyptic number.

It is an amenable number.

151812240506009 is a deficient number, since it is larger than the sum of its proper divisors (1).

151812240506009 is an equidigital number, since it uses as much as digits as its factorization.

151812240506009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 151812240506009 in words is "one hundred fifty-one trillion, eight hundred twelve billion, two hundred forty million, five hundred six thousand, nine".