1078375553525 has 12 divisors (see below), whose sum is σ = 1337312295300. Its totient is φ = 862618759680.

The previous prime is 1078375553491. The next prime is 1078375553527. The reversal of 1078375553525 is 5253555738701.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 183083005924 + 895292547601 = 427882^2 + 946199^2 .

It is not a de Polignac number, because 1078375553525 - 2¹⁸ = 1078375291381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078375553527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1772060 + ... + 2301509.

It is an arithmetic number, because the mean of its divisors is an integer number (111442691275).

Almost surely, 2^{1078375553525} is an apocalyptic number.

It is an amenable number.

1078375553525 is a deficient number, since it is larger than the sum of its proper divisors (258936741775).

1078375553525 is a wasteful number, since it uses less digits than its factorization.

1078375553525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084168 (or 4084163 counting only the distinct ones).

The product of its (nonzero) digits is 22050000, while the sum is 56.

The spelling of 1078375553525 in words is "one trillion, seventy-eight billion, three hundred seventy-five million, five hundred fifty-three thousand, five hundred twenty-five".