151243209977 has 2 divisors, whose sum is σ = 151243209978. Its totient is φ = 151243209976.

The previous prime is 151243209973. The next prime is 151243210003. The reversal of 151243209977 is 779902342151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150434603881 + 808606096 = 387859^2 + 28436^2 .

It is a cyclic number.

It is not a de Polignac number, because 151243209977 - 2² = 151243209973 is a prime.

It is not a weakly prime, because it can be changed into another prime (151243209973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75621604988 + 75621604989.

It is an arithmetic number, because the mean of its divisors is an integer number (75621604989).

Almost surely, 2^151243209977 is an apocalyptic number.

It is an amenable number.

151243209977 is a deficient number, since it is larger than the sum of its proper divisors (1).

151243209977 is an equidigital number, since it uses as much as digits as its factorization.

151243209977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 151243209977 in words is "one hundred fifty-one billion, two hundred forty-three million, two hundred nine thousand, nine hundred seventy-seven".