151261051243 has 2 divisors, whose sum is σ = 151261051244. Its totient is φ = 151261051242.

The previous prime is 151261051241. The next prime is 151261051273. The reversal of 151261051243 is 342150162151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151261051243 - 2¹ = 151261051241 is a prime.

Together with 151261051241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (151261051241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75630525621 + 75630525622.

It is an arithmetic number, because the mean of its divisors is an integer number (75630525622).

Almost surely, 2^151261051243 is an apocalyptic number.

151261051243 is a deficient number, since it is larger than the sum of its proper divisors (1).

151261051243 is an equidigital number, since it uses as much as digits as its factorization.

151261051243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 151261051243 in words is "one hundred fifty-one billion, two hundred sixty-one million, fifty-one thousand, two hundred forty-three".