99018456011 has 4 divisors (see below), whose sum is σ = 100413082224. Its totient is φ = 97623829800.

The previous prime is 99018455981. The next prime is 99018456077. The reversal of 99018456011 is 11065481099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11065481099 = 79 ⋅140069381.

It is a cyclic number.

It is not a de Polignac number, because 99018456011 - 2³⁰ = 97944714187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99018456211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697313000 + ... + 697313141.

It is an arithmetic number, because the mean of its divisors is an integer number (25103270556).

Almost surely, 2^99018456011 is an apocalyptic number.

99018456011 is a deficient number, since it is larger than the sum of its proper divisors (1394626213).

99018456011 is a wasteful number, since it uses less digits than its factorization.

99018456011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394626212.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 99018456011 in words is "ninety-nine billion, eighteen million, four hundred fifty-six thousand, eleven".