156398360044543 has 2 divisors, whose sum is σ = 156398360044544. Its totient is φ = 156398360044542.

The previous prime is 156398360044471. The next prime is 156398360044567. The reversal of 156398360044543 is 345440063893651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 156398360044543 - 2¹³ = 156398360036351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156398360044583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78199180022271 + 78199180022272.

It is an arithmetic number, because the mean of its divisors is an integer number (78199180022272).

Almost surely, 2^{156398360044543} is an apocalyptic number.

156398360044543 is a deficient number, since it is larger than the sum of its proper divisors (1).

156398360044543 is an equidigital number, since it uses as much as digits as its factorization.

156398360044543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111974400, while the sum is 61.

The spelling of 156398360044543 in words is "one hundred fifty-six trillion, three hundred ninety-eight billion, three hundred sixty million, forty-four thousand, five hundred forty-three".