11500155606490 has 64 divisors (see below), whose sum is σ = 22148466336000. Its totient is φ = 4286223751680.

The previous prime is 11500155606481. The next prime is 11500155606529. The reversal of 11500155606490 is 9460655100511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259698171 + ... + 259742449.

It is an arithmetic number, because the mean of its divisors is an integer number (346069786500).

Almost surely, 2^{11500155606490} is an apocalyptic number.

11500155606490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11500155606490 is a deficient number, since it is larger than the sum of its proper divisors (10648310729510).

11500155606490 is a wasteful number, since it uses less digits than its factorization.

11500155606490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66775.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 11500155606490 in words is "eleven trillion, five hundred billion, one hundred fifty-five million, six hundred six thousand, four hundred ninety".