99261801503 has 2 divisors, whose sum is σ = 99261801504. Its totient is φ = 99261801502.

The previous prime is 99261801437. The next prime is 99261801559. The reversal of 99261801503 is 30510816299.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99261801503 - 2²² = 99257607199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99261801563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49630900751 + 49630900752.

It is an arithmetic number, because the mean of its divisors is an integer number (49630900752).

Almost surely, 2^99261801503 is an apocalyptic number.

99261801503 is a deficient number, since it is larger than the sum of its proper divisors (1).

99261801503 is an equidigital number, since it uses as much as digits as its factorization.

99261801503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 99261801503 in words is "ninety-nine billion, two hundred sixty-one million, eight hundred one thousand, five hundred three".