1050409761025 has 9 divisors (see below), whose sum is σ = 1302514458051. Its totient is φ = 840323709240.

The previous prime is 1050409761013. The next prime is 1050409761077. The reversal of 1050409761025 is 5201679040501.

The square root of 1050409761025 is 1024895.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 378147513969 + 672262247056 = 614937^2 + 819916^2 .

It is not a de Polignac number, because 1050409761025 - 2²⁷ = 1050275543297 is a prime.

It is a super-2 number, since 2×1050409761025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5021986 + ... + 5226964.

Almost surely, 2^{1050409761025} is an apocalyptic number.

1050409761025 is the 1024895-th square number.

1050409761025 is the 512448-th centered octagonal number.

It is an amenable number.

1050409761025 is a deficient number, since it is larger than the sum of its proper divisors (252104697026).

1050409761025 is an frugal number, since it uses more digits than its factorization.

1050409761025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409968 (or 204984 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

It can be divided in two parts, 105040976 and 1025, that added together give a square (105042001 = 10249²).

The spelling of 1050409761025 in words is "one trillion, fifty billion, four hundred nine million, seven hundred sixty-one thousand, twenty-five".