1198880279253 has 6 divisors (see below), whose sum is σ = 1731715958934. Its totient is φ = 799253519496.

The previous prime is 1198880279203. The next prime is 1198880279257. The reversal of 1198880279253 is 3529720888911.

It can be written as a sum of positive squares in only one way, i.e., 903180328164 + 295699951089 = 950358^2 + 543783^2 .

It is not a de Polignac number, because 1198880279253 - 2¹⁴ = 1198880262869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198880279257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66604459950 + ... + 66604459967.

It is an arithmetic number, because the mean of its divisors is an integer number (288619326489).

Almost surely, 2^{1198880279253} is an apocalyptic number.

It is an amenable number.

1198880279253 is a deficient number, since it is larger than the sum of its proper divisors (532835679681).

1198880279253 is a wasteful number, since it uses less digits than its factorization.

1198880279253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133208919923 (or 133208919920 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 1198880279253 in words is "one trillion, one hundred ninety-eight billion, eight hundred eighty million, two hundred seventy-nine thousand, two hundred fifty-three".