101551530473 has 2 divisors, whose sum is σ = 101551530474. Its totient is φ = 101551530472.

The previous prime is 101551530337. The next prime is 101551530503. The reversal of 101551530473 is 374035155101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69183202729 + 32368327744 = 263027^2 + 179912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101551530473 is a prime.

It is not a weakly prime, because it can be changed into another prime (101551530173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50775765236 + 50775765237.

It is an arithmetic number, because the mean of its divisors is an integer number (50775765237).

Almost surely, 2^101551530473 is an apocalyptic number.

It is an amenable number.

101551530473 is a deficient number, since it is larger than the sum of its proper divisors (1).

101551530473 is an equidigital number, since it uses as much as digits as its factorization.

101551530473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

Adding to 101551530473 its reverse (374035155101), we get a palindrome (475586685574).

The spelling of 101551530473 in words is "one hundred one billion, five hundred fifty-one million, five hundred thirty thousand, four hundred seventy-three".