151118857 has 2 divisors, whose sum is σ = 151118858. Its totient is φ = 151118856.

The previous prime is 151118753. The next prime is 151118861. The reversal of 151118857 is 758811151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151068681 + 50176 = 12291^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 151118857 - 2¹⁹ = 150594569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151118867) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75559428 + 75559429.

It is an arithmetic number, because the mean of its divisors is an integer number (75559429).

Almost surely, 2^151118857 is an apocalyptic number.

It is an amenable number.

151118857 is a deficient number, since it is larger than the sum of its proper divisors (1).

151118857 is an equidigital number, since it uses as much as digits as its factorization.

151118857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 37.

The square root of 151118857 is about 12293.0409988741. The cubic root of 151118857 is about 532.6470834708.

The spelling of 151118857 in words is "one hundred fifty-one million, one hundred eighteen thousand, eight hundred fifty-seven".