151204510181 has 2 divisors, whose sum is σ = 151204510182. Its totient is φ = 151204510180.

The previous prime is 151204510129. The next prime is 151204510187. The reversal of 151204510181 is 181015402151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144678293956 + 6526216225 = 380366^2 + 80785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151204510181 is a prime.

It is a super-2 number, since 2×151204510181² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151204510187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75602255090 + 75602255091.

It is an arithmetic number, because the mean of its divisors is an integer number (75602255091).

Almost surely, 2^151204510181 is an apocalyptic number.

It is an amenable number.

151204510181 is a deficient number, since it is larger than the sum of its proper divisors (1).

151204510181 is an equidigital number, since it uses as much as digits as its factorization.

151204510181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 29.

The spelling of 151204510181 in words is "one hundred fifty-one billion, two hundred four million, five hundred ten thousand, one hundred eighty-one".