1125000687505 has 8 divisors (see below), whose sum is σ = 1350507788352. Its totient is φ = 899662574448.

The previous prime is 1125000687469. The next prime is 1125000687509. The reversal of 1125000687505 is 5057860005211.

It is a happy number.

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 1125000687505 - 2³³ = 1116410752913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125000687509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42232299 + ... + 42258928.

It is an arithmetic number, because the mean of its divisors is an integer number (168813473544).

Almost surely, 2^{1125000687505} is an apocalyptic number.

It is an amenable number.

1125000687505 is a deficient number, since it is larger than the sum of its proper divisors (225507100847).

1125000687505 is an equidigital number, since it uses as much as digits as its factorization.

1125000687505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84493895.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 1125000687505 in words is "one trillion, one hundred twenty-five billion, six hundred eighty-seven thousand, five hundred five".