1198753455375 has 320 divisors, whose sum is σ = 2695746493440. Its totient is φ = 517764960000.

The previous prime is 1198753455353. The next prime is 1198753455377. The reversal of 1198753455375 is 5735543578911.

It is a happy number.

1198753455375 is a `hidden beast` number, since 1 + 1 + 9 + 8 + 7 + 5 + 3 + 4 + 553 + 75 = 666.

It is a Cunningham number, because it is equal to 1094876²-1.

It is not a de Polignac number, because 1198753455375 - 2¹¹ = 1198753453327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198753455377) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 620793160 + ... + 620795090.

It is an arithmetic number, because the mean of its divisors is an integer number (8424207792).

Almost surely, 2^{1198753455375} is an apocalyptic number.

1198753455375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1198753455375 is an abundant number, since it is smaller than the sum of its proper divisors (1496993038065).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198753455375 is a wasteful number, since it uses less digits than its factorization.

1198753455375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445 (or 2426 counting only the distinct ones).

The product of its digits is 79380000, while the sum is 63.

The spelling of 1198753455375 in words is "one trillion, one hundred ninety-eight billion, seven hundred fifty-three million, four hundred fifty-five thousand, three hundred seventy-five".