1051136550225 has 72 divisors (see below), whose sum is σ = 1939781413752. Its totient is φ = 543861734400.

The previous prime is 1051136550203. The next prime is 1051136550253. The reversal of 1051136550225 is 5220556311501.

1051136550225 is a `hidden beast` number, since 1 + 0 + 51 + 1 + 36 + 550 + 2 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 471552769809 + 579583780416 = 686697^2 + 761304^2 .

It is not a de Polignac number, because 1051136550225 - 2¹⁰ = 1051136549201 is a prime.

It is a super-2 number, since 2×1051136550225² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051136550225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 477367 + ... + 1526483.

Almost surely, 2^{1051136550225} is an apocalyptic number.

1051136550225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051136550225 is a deficient number, since it is larger than the sum of its proper divisors (888644863527).

1051136550225 is a wasteful number, since it uses less digits than its factorization.

1051136550225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049267 (or 1049259 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 1051136550225 in words is "one trillion, fifty-one billion, one hundred thirty-six million, five hundred fifty thousand, two hundred twenty-five".