151218528991 has 2 divisors, whose sum is σ = 151218528992. Its totient is φ = 151218528990.

The previous prime is 151218528949. The next prime is 151218529003. The reversal of 151218528991 is 199825812151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151218528991 - 2²³ = 151210140383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151218528941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75609264495 + 75609264496.

It is an arithmetic number, because the mean of its divisors is an integer number (75609264496).

Almost surely, 2^151218528991 is an apocalyptic number.

151218528991 is a deficient number, since it is larger than the sum of its proper divisors (1).

151218528991 is an equidigital number, since it uses as much as digits as its factorization.

151218528991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 52.

The spelling of 151218528991 in words is "one hundred fifty-one billion, two hundred eighteen million, five hundred twenty-eight thousand, nine hundred ninety-one".