1097288877461 has 16 divisors (see below), whose sum is σ = 1257664423680. Its totient is φ = 937818862080.

The previous prime is 1097288877457. The next prime is 1097288877499. The reversal of 1097288877461 is 1647788827901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1097288877461 - 2² = 1097288877457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1097288877391 and 1097288877400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097288877961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37874021 + ... + 37902981.

It is an arithmetic number, because the mean of its divisors is an integer number (78604026480).

Almost surely, 2^{1097288877461} is an apocalyptic number.

It is an amenable number.

1097288877461 is a deficient number, since it is larger than the sum of its proper divisors (160375546219).

1097288877461 is a wasteful number, since it uses less digits than its factorization.

1097288877461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44404.

The product of its (nonzero) digits is 75866112, while the sum is 68.

The spelling of 1097288877461 in words is "one trillion, ninety-seven billion, two hundred eighty-eight million, eight hundred seventy-seven thousand, four hundred sixty-one".