99915043 has 2 divisors, whose sum is σ = 99915044. Its totient is φ = 99915042.

The previous prime is 99915037. The next prime is 99915061. The reversal of 99915043 is 34051999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99915043 - 2⁹ = 99914531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99914987 and 99915005.

It is not a weakly prime, because it can be changed into another prime (99915943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49957521 + 49957522.

It is an arithmetic number, because the mean of its divisors is an integer number (49957522).

Almost surely, 2^99915043 is an apocalyptic number.

99915043 is a deficient number, since it is larger than the sum of its proper divisors (1).

99915043 is an equidigital number, since it uses as much as digits as its factorization.

99915043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 99915043 is about 9995.7512474051. The cubic root of 99915043 is about 464.0274009656.

The spelling of 99915043 in words is "ninety-nine million, nine hundred fifteen thousand, forty-three".