1129865003544 has 64 divisors (see below), whose sum is σ = 2859537542400. Its totient is φ = 371974340736.

The previous prime is 1129865003479. The next prime is 1129865003551. The reversal of 1129865003544 is 4453005689211.

It is a junction number, because it is equal to n+sod(n) for n = 1129865003493 and 1129865003502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6816402 + ... + 6980190.

It is an arithmetic number, because the mean of its divisors is an integer number (44680274100).

Almost surely, 2^{1129865003544} is an apocalyptic number.

It is an amenable number.

1129865003544 is an abundant number, since it is smaller than the sum of its proper divisors (1729672538856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129865003544 is a wasteful number, since it uses less digits than its factorization.

1129865003544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167344 (or 167340 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 1129865003544 in words is "one trillion, one hundred twenty-nine billion, eight hundred sixty-five million, three thousand, five hundred forty-four".