150621320687 has 2 divisors, whose sum is σ = 150621320688. Its totient is φ = 150621320686.

The previous prime is 150621320639. The next prime is 150621320723. The reversal of 150621320687 is 786023126051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150621320687 - 2²⁰ = 150620272111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150621320287) 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, 75310660343 + 75310660344.

It is an arithmetic number, because the mean of its divisors is an integer number (75310660344).

Almost surely, 2^150621320687 is an apocalyptic number.

150621320687 is a deficient number, since it is larger than the sum of its proper divisors (1).

150621320687 is an equidigital number, since it uses as much as digits as its factorization.

150621320687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 150621320687 in words is "one hundred fifty billion, six hundred twenty-one million, three hundred twenty thousand, six hundred eighty-seven".