1121506644860 has 24 divisors (see below), whose sum is σ = 2691615948000. Its totient is φ = 384516563904.

The previous prime is 1121506644851. The next prime is 1121506644871. The reversal of 1121506644860 is 684466051211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005380735 + ... + 4005381014.

It is an arithmetic number, because the mean of its divisors is an integer number (112150664500).

Almost surely, 2^{1121506644860} is an apocalyptic number.

1121506644860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121506644860 is an abundant number, since it is smaller than the sum of its proper divisors (1570109303140).

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

1121506644860 is a wasteful number, since it uses less digits than its factorization.

1121506644860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010761765 (or 8010761763 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 1121506644860 in words is "one trillion, one hundred twenty-one billion, five hundred six million, six hundred forty-four thousand, eight hundred sixty".