156053421742499 has 2 divisors, whose sum is σ = 156053421742500. Its totient is φ = 156053421742498.

The previous prime is 156053421742457. The next prime is 156053421742541. The reversal of 156053421742499 is 994247124350651.

It is a balanced prime because it is at equal distance from previous prime (156053421742457) and next prime (156053421742541).

It is a cyclic number.

It is not a de Polignac number, because 156053421742499 - 2⁸ = 156053421742243 is a prime.

It is not a weakly prime, because it can be changed into another prime (156053421742199) 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, 78026710871249 + 78026710871250.

It is an arithmetic number, because the mean of its divisors is an integer number (78026710871250).

Almost surely, 2^{156053421742499} is an apocalyptic number.

156053421742499 is a deficient number, since it is larger than the sum of its proper divisors (1).

156053421742499 is an equidigital number, since it uses as much as digits as its factorization.

156053421742499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 62.

The spelling of 156053421742499 in words is "one hundred fifty-six trillion, fifty-three billion, four hundred twenty-one million, seven hundred forty-two thousand, four hundred ninety-nine".