1555150151 has 2 divisors, whose sum is σ = 1555150152. Its totient is φ = 1555150150.

The previous prime is 1555150141. The next prime is 1555150153. The reversal of 1555150151 is 1510515551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1555150151 - 2⁶ = 1555150087 is a prime.

Together with 1555150153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1555150153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777575075 + 777575076.

It is an arithmetic number, because the mean of its divisors is an integer number (777575076).

Almost surely, 2^1555150151 is an apocalyptic number.

1555150151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1555150151 is an equidigital number, since it uses as much as digits as its factorization.

1555150151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3125, while the sum is 29.

The square root of 1555150151 is about 39435.3921116552. The cubic root of 1555150151 is about 1158.5748826187.

The spelling of 1555150151 in words is "one billion, five hundred fifty-five million, one hundred fifty thousand, one hundred fifty-one".