142426551536661 has 64 divisors (see below), whose sum is σ = 237523357532160. Its totient is φ = 74066421980160.

The previous prime is 142426551536561. The next prime is 142426551536671. The reversal of 142426551536661 is 166635155624241.

It is not a de Polignac number, because 142426551536661 - 2²² = 142426547342357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142426551536671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54140821 + ... + 56710506.

It is an arithmetic number, because the mean of its divisors is an integer number (3711302461440).

Almost surely, 2^{142426551536661} is an apocalyptic number.

It is an amenable number.

142426551536661 is a deficient number, since it is larger than the sum of its proper divisors (95096805995499).

142426551536661 is a wasteful number, since it uses less digits than its factorization.

142426551536661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110851474.

The product of its digits is 31104000, while the sum is 57.

The spelling of 142426551536661 in words is "one hundred forty-two trillion, four hundred twenty-six billion, five hundred fifty-one million, five hundred thirty-six thousand, six hundred sixty-one".