11399057090 has 32 divisors (see below), whose sum is σ = 21730569840. Its totient is φ = 4290361344.

The previous prime is 11399057083. The next prime is 11399057099. The reversal of 11399057090 is 9075099311.

It can be written as a sum of positive squares in 8 ways, for example, as 6165547441 + 5233509649 = 78521^2 + 72343^2 .

It is not an unprimeable number, because it can be changed into a prime (11399057099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354616 + ... + 1363004.

Almost surely, 2^11399057090 is an apocalyptic number.

11399057090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11399057090 is a deficient number, since it is larger than the sum of its proper divisors (10331512750).

11399057090 is a wasteful number, since it uses less digits than its factorization.

11399057090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16406.

The product of its (nonzero) digits is 76545, while the sum is 44.

The spelling of 11399057090 in words is "eleven billion, three hundred ninety-nine million, fifty-seven thousand, ninety".