1115400533973 has 16 divisors (see below), whose sum is σ = 1627937994816. Its totient is φ = 673693149440.

The previous prime is 1115400533963. The next prime is 1115400533981. The reversal of 1115400533973 is 3793350045111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1115400533973 - 2⁹ = 1115400533461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115400533963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57669540 + ... + 57688877.

It is an arithmetic number, because the mean of its divisors is an integer number (101746124676).

Almost surely, 2^{1115400533973} is an apocalyptic number.

It is an amenable number.

1115400533973 is a deficient number, since it is larger than the sum of its proper divisors (512537460843).

1115400533973 is a wasteful number, since it uses less digits than its factorization.

1115400533973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115358724.

The product of its (nonzero) digits is 170100, while the sum is 42.

The spelling of 1115400533973 in words is "one trillion, one hundred fifteen billion, four hundred million, five hundred thirty-three thousand, nine hundred seventy-three".