1125405204154 has 48 divisors (see below), whose sum is σ = 2163035624256. Its totient is φ = 434212531200.

The previous prime is 1125405204139. The next prime is 1125405204167. The reversal of 1125405204154 is 4514025045211.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4956807 + ... + 5178874.

It is an arithmetic number, because the mean of its divisors is an integer number (45063242172).

Almost surely, 2^{1125405204154} is an apocalyptic number.

1125405204154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1125405204154 is a deficient number, since it is larger than the sum of its proper divisors (1037630420102).

1125405204154 is a wasteful number, since it uses less digits than its factorization.

1125405204154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135811 (or 10135804 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 1125405204154 in words is "one trillion, one hundred twenty-five billion, four hundred five million, two hundred four thousand, one hundred fifty-four".