1125028387651 has 8 divisors (see below), whose sum is σ = 1291361345120. Its totient is φ = 960099084288.

The previous prime is 1125028387649. The next prime is 1125028387673. The reversal of 1125028387651 is 1567838205211.

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 1125028387651 - 2¹ = 1125028387649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125028387595 and 1125028387604.

It is not an unprimeable number, because it can be changed into a prime (1125028387151) 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, 350911806 + ... + 350915011.

It is an arithmetic number, because the mean of its divisors is an integer number (161420168140).

Almost surely, 2^{1125028387651} is an apocalyptic number.

1125028387651 is a deficient number, since it is larger than the sum of its proper divisors (166332957469).

1125028387651 is an equidigital number, since it uses as much as digits as its factorization.

1125028387651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701827053.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 1125028387651 in words is "one trillion, one hundred twenty-five billion, twenty-eight million, three hundred eighty-seven thousand, six hundred fifty-one".