11051005510100 has 36 divisors (see below), whose sum is σ = 24269605854144. Its totient is φ = 4367144342880.

The previous prime is 11051005510019. The next prime is 11051005510147. The reversal of 11051005510100 is 101550015011.

It is a super-2 number, since 2×11051005510100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665714924 + ... + 665731523.

Almost surely, 2^{11051005510100} is an apocalyptic number.

11051005510100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11051005510100 is an abundant number, since it is smaller than the sum of its proper divisors (13218600344044).

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

11051005510100 is a wasteful number, since it uses less digits than its factorization.

11051005510100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331446544 (or 1331446537 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 11051005510100 its reverse (101550015011), we get a palindrome (11152555525111).

The spelling of 11051005510100 in words is "eleven trillion, fifty-one billion, five million, five hundred ten thousand, one hundred".