11000155994 has 8 divisors (see below), whose sum is σ = 16511948820. Its totient is φ = 5496173056.

The previous prime is 11000155979. The next prime is 11000155997. The reversal of 11000155994 is 49955100011.

It can be written as a sum of positive squares in 2 ways, for example, as 8475595969 + 2524560025 = 92063^2 + 50245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11000155997) 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, 1948949 + ... + 1954584.

Almost surely, 2^11000155994 is an apocalyptic number.

11000155994 is a deficient number, since it is larger than the sum of its proper divisors (5511792826).

11000155994 is a wasteful number, since it uses less digits than its factorization.

11000155994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904944.

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 11000155994 in words is "eleven billion, one hundred fifty-five thousand, nine hundred ninety-four".