1103734641620 has 48 divisors (see below), whose sum is σ = 2509071816720. Its totient is φ = 405421203456.

The previous prime is 1103734641599. The next prime is 1103734641623. The reversal of 1103734641620 is 261464373011.

It can be written as a sum of positive squares in 8 ways, for example, as 161099482384 + 942635159236 = 401372^2 + 970894^2 .

It is a super-2 number, since 2×1103734641620² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103734641623) 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, 10947575 + ... + 11047934.

It is an arithmetic number, because the mean of its divisors is an integer number (52272329515).

Almost surely, 2^{1103734641620} is an apocalyptic number.

1103734641620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103734641620 is an abundant number, since it is smaller than the sum of its proper divisors (1405337175100).

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

1103734641620 is a wasteful number, since it uses less digits than its factorization.

1103734641620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21995724 (or 21995722 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 1103734641620 in words is "one trillion, one hundred three billion, seven hundred thirty-four million, six hundred forty-one thousand, six hundred twenty".