1140721665995 has 8 divisors (see below), whose sum is σ = 1369711509840. Its totient is φ = 912013659040.

The previous prime is 1140721665971. The next prime is 1140721666003. The reversal of 1140721665995 is 5995661270411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140721665995 - 2⁶ = 1140721665931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140721665995.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70450316 + ... + 70466505.

It is an arithmetic number, because the mean of its divisors is an integer number (171213938730).

Almost surely, 2^{1140721665995} is an apocalyptic number.

1140721665995 is a deficient number, since it is larger than the sum of its proper divisors (228989843845).

1140721665995 is a wasteful number, since it uses less digits than its factorization.

1140721665995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140918445.

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 1140721665995 in words is "one trillion, one hundred forty billion, seven hundred twenty-one million, six hundred sixty-five thousand, nine hundred ninety-five".