99011455 has 16 divisors (see below), whose sum is σ = 120384000. Its totient is φ = 78170400.

The previous prime is 99011453. The next prime is 99011467. The reversal of 99011455 is 55411099.

It is a happy number.

It is not a de Polignac number, because 99011455 - 2¹ = 99011453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99011455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99011453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149916 + ... + 150574.

It is an arithmetic number, because the mean of its divisors is an integer number (7524000).

Almost surely, 2^99011455 is an apocalyptic number.

99011455 is a deficient number, since it is larger than the sum of its proper divisors (21372545).

99011455 is a wasteful number, since it uses less digits than its factorization.

99011455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 99011455 is about 9950.4499898246. The cubic root of 99011455 is about 462.6243425112.

The spelling of 99011455 in words is "ninety-nine million, eleven thousand, four hundred fifty-five".