1153401965898 has 32 divisors (see below), whose sum is σ = 2839143302016. Its totient is φ = 304193924928.

The previous prime is 1153401965897. The next prime is 1153401965921. The reversal of 1153401965898 is 8985691043511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1153401965893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056228361 + ... + 1056229452.

It is an arithmetic number, because the mean of its divisors is an integer number (88723228188).

Almost surely, 2^{1153401965898} is an apocalyptic number.

1153401965898 is an abundant number, since it is smaller than the sum of its proper divisors (1685741336118).

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

1153401965898 is a wasteful number, since it uses less digits than its factorization.

1153401965898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112457838.

The product of its (nonzero) digits is 9331200, while the sum is 60.

The spelling of 1153401965898 in words is "one trillion, one hundred fifty-three billion, four hundred one million, nine hundred sixty-five thousand, eight hundred ninety-eight".