1125958936555 has 8 divisors (see below), whose sum is σ = 1351163822112. Its totient is φ = 900758417088.

The previous prime is 1125958936471. The next prime is 1125958936637. The reversal of 1125958936555 is 5556398595211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125958936555 - 2⁹ = 1125958936043 is a prime.

It is a Duffinian 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, 494479 + ... + 1580008.

It is an arithmetic number, because the mean of its divisors is an integer number (168895477764).

Almost surely, 2^{1125958936555} is an apocalyptic number.

1125958936555 is a deficient number, since it is larger than the sum of its proper divisors (225204885557).

1125958936555 is a wasteful number, since it uses less digits than its factorization.

1125958936555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183045.

The product of its digits is 72900000, while the sum is 64.

The spelling of 1125958936555 in words is "one trillion, one hundred twenty-five billion, nine hundred fifty-eight million, nine hundred thirty-six thousand, five hundred fifty-five".