1154998317064 has 16 divisors (see below), whose sum is σ = 2165634029520. Its totient is φ = 577495909200.

The previous prime is 1154998317061. The next prime is 1154998317089. The reversal of 1154998317064 is 4607138994511.

It is a super-2 number, since 2×1154998317064² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1154998317061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826367 + ... + 2376049.

It is an arithmetic number, because the mean of its divisors is an integer number (135352126845).

Almost surely, 2^{1154998317064} is an apocalyptic number.

It is an amenable number.

1154998317064 is a deficient number, since it is larger than the sum of its proper divisors (1010635712456).

1154998317064 is a wasteful number, since it uses less digits than its factorization.

1154998317064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812340 (or 812336 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 1154998317064 in words is "one trillion, one hundred fifty-four billion, nine hundred ninety-eight million, three hundred seventeen thousand, sixty-four".