156299475461 has 2 divisors, whose sum is σ = 156299475462. Its totient is φ = 156299475460.

The previous prime is 156299475443. The next prime is 156299475491. The reversal of 156299475461 is 164574992651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92237334436 + 64062141025 = 303706^2 + 253105^2 .

It is a cyclic number.

It is not a de Polignac number, because 156299475461 - 2¹⁰ = 156299474437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156299475461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156299475491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78149737730 + 78149737731.

It is an arithmetic number, because the mean of its divisors is an integer number (78149737731).

Almost surely, 2^156299475461 is an apocalyptic number.

It is an amenable number.

156299475461 is a deficient number, since it is larger than the sum of its proper divisors (1).

156299475461 is an equidigital number, since it uses as much as digits as its factorization.

156299475461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 59.

The spelling of 156299475461 in words is "one hundred fifty-six billion, two hundred ninety-nine million, four hundred seventy-five thousand, four hundred sixty-one".