1015425874453 has 8 divisors (see below), whose sum is σ = 1022667339800. Its totient is φ = 1008194204160.

The previous prime is 1015425874451. The next prime is 1015425874469. The reversal of 1015425874453 is 3544785245101.

It can be written as a sum of positive squares in 4 ways, for example, as 264600158449 + 750825716004 = 514393^2 + 866502^2 .

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 1015425874453 - 2¹ = 1015425874451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1015425874397 and 1015425874406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015425874451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240628 + ... + 2655421.

It is an arithmetic number, because the mean of its divisors is an integer number (127833417475).

Almost surely, 2^{1015425874453} is an apocalyptic number.

It is an amenable number.

1015425874453 is a deficient number, since it is larger than the sum of its proper divisors (7241465347).

1015425874453 is a wasteful number, since it uses less digits than its factorization.

1015425874453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897527.

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 1015425874453 in words is "one trillion, fifteen billion, four hundred twenty-five million, eight hundred seventy-four thousand, four hundred fifty-three".