1125398703911 has 8 divisors (see below), whose sum is σ = 1167245268480. Its totient is φ = 1083754786912.

The previous prime is 1125398703893. The next prime is 1125398703973. The reversal of 1125398703911 is 1193078935211.

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 1125398703911 - 2¹⁴ = 1125398687527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125398703911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125398703211) 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, 50650580 + ... + 50672793.

It is an arithmetic number, because the mean of its divisors is an integer number (145905658560).

Almost surely, 2^{1125398703911} is an apocalyptic number.

1125398703911 is a deficient number, since it is larger than the sum of its proper divisors (41846564569).

1125398703911 is a wasteful number, since it uses less digits than its factorization.

1125398703911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101323785.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 1125398703911 in words is "one trillion, one hundred twenty-five billion, three hundred ninety-eight million, seven hundred three thousand, nine hundred eleven".