1011038136525 has 18 divisors (see below), whose sum is σ = 1810881640490. Its totient is φ = 539220339360.

The previous prime is 1011038136523. The next prime is 1011038136539. The reversal of 1011038136525 is 5256318301101.

It is a happy number.

1011038136525 is a `hidden beast` number, since 1 + 0 + 110 + 3 + 8 + 13 + 6 + 525 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 164691495684 + 846346640841 = 405822^2 + 919971^2 .

It is not a de Polignac number, because 1011038136525 - 2¹ = 1011038136523 is a prime.

It is a super-2 number, since 2×1011038136525² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011038136525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011038136523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2246751190 + ... + 2246751639.

Almost surely, 2^{1011038136525} is an apocalyptic number.

1011038136525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011038136525 is a deficient number, since it is larger than the sum of its proper divisors (799843503965).

1011038136525 is a wasteful number, since it uses less digits than its factorization.

1011038136525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493502845 (or 4493502837 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 1011038136525 in words is "one trillion, eleven billion, thirty-eight million, one hundred thirty-six thousand, five hundred twenty-five".