11030345040 has 160 divisors (see below), whose sum is σ = 40172178816. Its totient is φ = 2468321280.

The previous prime is 11030345023. The next prime is 11030345099. The reversal of 11030345040 is 4054303011.

It is a junction number, because it is equal to n+sod(n) for n = 11030344998 and 11030345016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126379 + ... + 195018.

Almost surely, 2^11030345040 is an apocalyptic number.

11030345040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11030345040 is an abundant number, since it is smaller than the sum of its proper divisors (29141833776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11030345040 is a wasteful number, since it uses less digits than its factorization.

11030345040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321437 (or 321431 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 11030345040 its reverse (4054303011), we get a palindrome (15084648051).

The spelling of 11030345040 in words is "eleven billion, thirty million, three hundred forty-five thousand, forty".