1015405434452 has 24 divisors (see below), whose sum is σ = 1792185780000. Its totient is φ = 503362323936.

The previous prime is 1015405434431. The next prime is 1015405434457. The reversal of 1015405434452 is 2544345045101.

1015405434452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015405434457) 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, 838202 + ... + 1653297.

It is an arithmetic number, because the mean of its divisors is an integer number (74674407500).

Almost surely, 2^{1015405434452} is an apocalyptic number.

It is an amenable number.

1015405434452 is a deficient number, since it is larger than the sum of its proper divisors (776780345548).

1015405434452 is a wasteful number, since it uses less digits than its factorization.

1015405434452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492375 (or 2492373 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 1015405434452 in words is "one trillion, fifteen billion, four hundred five million, four hundred thirty-four thousand, four hundred fifty-two".