1001011454642 has 8 divisors (see below), whose sum is σ = 1501983936156. Its totient is φ = 500350142592.

The previous prime is 1001011454633. The next prime is 1001011454669. The reversal of 1001011454642 is 2464541101001.

It can be written as a sum of positive squares in 2 ways, for example, as 797629396201 + 203382058441 = 893101^2 + 450979^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 77784323 + ... + 77797190.

Almost surely, 2^{1001011454642} is an apocalyptic number.

1001011454642 is a deficient number, since it is larger than the sum of its proper divisors (500972481514).

1001011454642 is a wasteful number, since it uses less digits than its factorization.

1001011454642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155584732.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1001011454642 its reverse (2464541101001), we get a palindrome (3465552555643).

The spelling of 1001011454642 in words is "one trillion, one billion, eleven million, four hundred fifty-four thousand, six hundred forty-two".