142032415561 has 2 divisors, whose sum is σ = 142032415562. Its totient is φ = 142032415560.

The previous prime is 142032415559. The next prime is 142032415673. The reversal of 142032415561 is 165514230241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127277697600 + 14754717961 = 356760^2 + 121469^2 .

It is a cyclic number.

It is not a de Polignac number, because 142032415561 - 2¹ = 142032415559 is a prime.

Together with 142032415559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142032415531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71016207780 + 71016207781.

It is an arithmetic number, because the mean of its divisors is an integer number (71016207781).

Almost surely, 2^142032415561 is an apocalyptic number.

It is an amenable number.

142032415561 is a deficient number, since it is larger than the sum of its proper divisors (1).

142032415561 is an equidigital number, since it uses as much as digits as its factorization.

142032415561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 142032415561 in words is "one hundred forty-two billion, thirty-two million, four hundred fifteen thousand, five hundred sixty-one".