1097252527901 has 4 divisors (see below), whose sum is σ = 1097268793404. Its totient is φ = 1097236262400.

The previous prime is 1097252527837. The next prime is 1097252527919.

1097252527901 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 468712759876 + 628539768025 = 684626^2 + 792805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097252527901 - 2⁶ = 1097252527837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1097252527901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097252527991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8031140 + ... + 8166621.

It is an arithmetic number, because the mean of its divisors is an integer number (274317198351).

Almost surely, 2^{1097252527901} is an apocalyptic number.

It is an amenable number.

1097252527901 is a deficient number, since it is larger than the sum of its proper divisors (16265503).

1097252527901 is an equidigital number, since it uses as much as digits as its factorization.

1097252527901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16265502.

The product of its (nonzero) digits is 793800, while the sum is 50.

The spelling of 1097252527901 in words is "one trillion, ninety-seven billion, two hundred fifty-two million, five hundred twenty-seven thousand, nine hundred one".