101055143506 has 4 divisors (see below), whose sum is σ = 151582715262. Its totient is φ = 50527571752.

The previous prime is 101055143473. The next prime is 101055143521. The reversal of 101055143506 is 605341550101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605341550101 = 55631 ⋅10881371.

It can be written as a sum of positive squares in only one way, i.e., 101054687881 + 455625 = 317891^2 + 675^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25263785875 + ... + 25263785878.

Almost surely, 2^101055143506 is an apocalyptic number.

101055143506 is a deficient number, since it is larger than the sum of its proper divisors (50527571756).

101055143506 is an equidigital number, since it uses as much as digits as its factorization.

101055143506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50527571755.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 101055143506 its reverse (605341550101), we get a palindrome (706396693607).

The spelling of 101055143506 in words is "one hundred one billion, fifty-five million, one hundred forty-three thousand, five hundred six".