1125325220554 has 4 divisors (see below), whose sum is σ = 1687987830834. Its totient is φ = 562662610276.

The previous prime is 1125325220527. The next prime is 1125325220573. The reversal of 1125325220554 is 4550225235211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1047582955225 + 77742265329 = 1023515^2 + 278823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281331305137 + ... + 281331305140.

Almost surely, 2^{1125325220554} is an apocalyptic number.

1125325220554 is a deficient number, since it is larger than the sum of its proper divisors (562662610280).

1125325220554 is an equidigital number, since it uses as much as digits as its factorization.

1125325220554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562662610279.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1125325220554 in words is "one trillion, one hundred twenty-five billion, three hundred twenty-five million, two hundred twenty thousand, five hundred fifty-four".