1153981687334 has 32 divisors (see below), whose sum is σ = 1994171325696. Its totient is φ = 490587420960.

The previous prime is 1153981687307. The next prime is 1153981687357. The reversal of 1153981687334 is 4337861893511.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4396952 + ... + 4652004.

It is an arithmetic number, because the mean of its divisors is an integer number (62317853928).

Almost surely, 2^{1153981687334} is an apocalyptic number.

1153981687334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1153981687334 is a deficient number, since it is larger than the sum of its proper divisors (840189638362).

1153981687334 is a wasteful number, since it uses less digits than its factorization.

1153981687334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257660.

The product of its digits is 13063680, while the sum is 59.

The spelling of 1153981687334 in words is "one trillion, one hundred fifty-three billion, nine hundred eighty-one million, six hundred eighty-seven thousand, three hundred thirty-four".