1061253731225 has 24 divisors (see below), whose sum is σ = 1373464300992. Its totient is φ = 811915790400.

The previous prime is 1061253731177. The next prime is 1061253731257. The reversal of 1061253731225 is 5221373521601.

It is not a de Polignac number, because 1061253731225 - 2²⁶ = 1061186622361 is a prime.

It is a super-2 number, since 2×1061253731225² (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 23 ways as a sum of consecutive naturals, for example, 2520335 + ... + 2911115.

It is an arithmetic number, because the mean of its divisors is an integer number (57227679208).

Almost surely, 2^{1061253731225} is an apocalyptic number.

It is an amenable number.

1061253731225 is a deficient number, since it is larger than the sum of its proper divisors (312210569767).

1061253731225 is a wasteful number, since it uses less digits than its factorization.

1061253731225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395537 (or 395532 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 1061253731225 in words is "one trillion, sixty-one billion, two hundred fifty-three million, seven hundred thirty-one thousand, two hundred twenty-five".