1125566164005 has 32 divisors (see below), whose sum is σ = 1881093576960. Its totient is φ = 573974661120.

The previous prime is 1125566164003. The next prime is 1125566164013. The reversal of 1125566164005 is 5004616655211.

It is not a de Polignac number, because 1125566164005 - 2¹ = 1125566164003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125566164003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12515916 + ... + 12605525.

It is an arithmetic number, because the mean of its divisors is an integer number (58784174280).

Almost surely, 2^{1125566164005} is an apocalyptic number.

1125566164005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125566164005 is a deficient number, since it is larger than the sum of its proper divisors (755527412955).

1125566164005 is a wasteful number, since it uses less digits than its factorization.

1125566164005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25121581.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 1125566164005 in words is "one trillion, one hundred twenty-five billion, five hundred sixty-six million, one hundred sixty-four thousand, five".