1103862000820 has 24 divisors (see below), whose sum is σ = 2321967315528. Its totient is φ = 440810112000.

The previous prime is 1103862000751. The next prime is 1103862000821. The reversal of 1103862000820 is 280002683011.

It can be written as a sum of positive squares in 4 ways, for example, as 21238398756 + 1082623602064 = 145734^2 + 1040492^2 .

It is a super-2 number, since 2×1103862000820² (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 (1103862000821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45905701 + ... + 45929740.

It is an arithmetic number, because the mean of its divisors is an integer number (96748638147).

Almost surely, 2^{1103862000820} is an apocalyptic number.

1103862000820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103862000820 is an abundant number, since it is smaller than the sum of its proper divisors (1218105314708).

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

1103862000820 is a wasteful number, since it uses less digits than its factorization.

1103862000820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91836051 (or 91836049 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 1103862000820 its reverse (280002683011), we get a palindrome (1383864683831).

The spelling of 1103862000820 in words is "one trillion, one hundred three billion, eight hundred sixty-two million, eight hundred twenty", and thus it is an aban number.