90011061 has 16 divisors (see below), whose sum is σ = 152400000. Its totient is φ = 51434784.

The previous prime is 90011059. The next prime is 90011069. The reversal of 90011061 is 16011009.

It is not a de Polignac number, because 90011061 - 2¹ = 90011059 is a prime.

It is a super-2 number, since 2×90011061² = 16203982204691442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90011069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237936 + ... + 238313.

It is an arithmetic number, because the mean of its divisors is an integer number (9525000).

Almost surely, 2^90011061 is an apocalyptic number.

It is an amenable number.

90011061 is a deficient number, since it is larger than the sum of its proper divisors (62388939).

90011061 is a wasteful number, since it uses less digits than its factorization.

90011061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476265 (or 476259 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 90011061 is about 9487.4159284813. The cubic root of 90011061 is about 448.1588327251.

The spelling of 90011061 in words is "ninety million, eleven thousand, sixty-one".