11161655550510 has 64 divisors (see below), whose sum is σ = 28959971212800. Its totient is φ = 2743576209792.

The previous prime is 11161655550497. The next prime is 11161655550527. The reversal of 11161655550510 is 1505555616111.

It is a super-2 number, since 2×11161655550510² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264598530 + ... + 264640709.

It is an arithmetic number, because the mean of its divisors is an integer number (452499550200).

Almost surely, 2^{11161655550510} is an apocalyptic number.

11161655550510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11161655550510 is an abundant number, since it is smaller than the sum of its proper divisors (17798315662290).

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

11161655550510 is a wasteful number, since it uses less digits than its factorization.

11161655550510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529239305.

The product of its (nonzero) digits is 112500, while the sum is 42.

The spelling of 11161655550510 in words is "eleven trillion, one hundred sixty-one billion, six hundred fifty-five million, five hundred fifty thousand, five hundred ten".