11730128890 has 32 divisors (see below), whose sum is σ = 21339137664. Its totient is φ = 4642142400.

The previous prime is 11730128873. The next prime is 11730128899. The reversal of 11730128890 is 9882103711.

It is not an unprimeable number, because it can be changed into a prime (11730128899) 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, 1680187 + ... + 1687153.

It is an arithmetic number, because the mean of its divisors is an integer number (666848052).

Almost surely, 2^11730128890 is an apocalyptic number.

11730128890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11730128890 is a deficient number, since it is larger than the sum of its proper divisors (9609008774).

11730128890 is a wasteful number, since it uses less digits than its factorization.

11730128890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 11730128890 in words is "eleven billion, seven hundred thirty million, one hundred twenty-eight thousand, eight hundred ninety".