1061255132005 has 8 divisors (see below), whose sum is σ = 1274328315000. Its totient is φ = 848456001216.

The previous prime is 1061255131999. The next prime is 1061255132023. The reversal of 1061255132005 is 5002315521601.

It can be written as a sum of positive squares in 4 ways, for example, as 318979837089 + 742275294916 = 564783^2 + 861554^2 .

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 1061255132005 - 2¹⁵ = 1061255099237 is a prime.

It is a super-2 number, since 2×1061255132005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68504530 + ... + 68520019.

It is an arithmetic number, because the mean of its divisors is an integer number (159291039375).

Almost surely, 2^{1061255132005} is an apocalyptic number.

It is an amenable number.

1061255132005 is a deficient number, since it is larger than the sum of its proper divisors (213073182995).

1061255132005 is a wasteful number, since it uses less digits than its factorization.

1061255132005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137026103.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 1061255132005 in words is "one trillion, sixty-one billion, two hundred fifty-five million, one hundred thirty-two thousand, five".