1245532025261 has 8 divisors (see below), whose sum is σ = 1311376945920. Its totient is φ = 1179716164992.

The previous prime is 1245532025207. The next prime is 1245532025341. The reversal of 1245532025261 is 1625202355421.

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 1245532025261 - 2²² = 1245527830957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245531025261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7177085 + ... + 7348578.

It is an arithmetic number, because the mean of its divisors is an integer number (163922118240).

Almost surely, 2^{1245532025261} is an apocalyptic number.

It is an amenable number.

1245532025261 is a deficient number, since it is larger than the sum of its proper divisors (65844920659).

1245532025261 is a wasteful number, since it uses less digits than its factorization.

1245532025261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14530195.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 1245532025261 in words is "one trillion, two hundred forty-five billion, five hundred thirty-two million, twenty-five thousand, two hundred sixty-one".