10142453765721 has 8 divisors (see below), whose sum is σ = 13527014650240. Its totient is φ = 6759764362512.

The previous prime is 10142453765713. The next prime is 10142453765723. The reversal of 10142453765721 is 12756735424101.

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 10142453765721 - 2³ = 10142453765713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10142453765723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467857681 + ... + 467879358.

It is an arithmetic number, because the mean of its divisors is an integer number (1690876831280).

Almost surely, 2^{10142453765721} is an apocalyptic number.

It is an amenable number.

10142453765721 is a deficient number, since it is larger than the sum of its proper divisors (3384560884519).

10142453765721 is an equidigital number, since it uses as much as digits as its factorization.

10142453765721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935740655.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 10142453765721 in words is "ten trillion, one hundred forty-two billion, four hundred fifty-three million, seven hundred sixty-five thousand, seven hundred twenty-one".