101787552745 has 8 divisors (see below), whose sum is σ = 122765090184. Its totient is φ = 81016690944.

The previous prime is 101787552697. The next prime is 101787552787. The reversal of 101787552745 is 547255787101.

It can be written as a sum of positive squares in 4 ways, for example, as 37224300096 + 64563252649 = 192936^2 + 254093^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101787552745 is a prime.

It is a super-3 number, since 3×101787552745³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101787552692 and 101787552701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51667824 + ... + 51669793.

It is an arithmetic number, because the mean of its divisors is an integer number (15345636273).

Almost surely, 2^101787552745 is an apocalyptic number.

It is an amenable number.

101787552745 is a deficient number, since it is larger than the sum of its proper divisors (20977537439).

101787552745 is a wasteful number, since it uses less digits than its factorization.

101787552745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103337819.

The product of its (nonzero) digits is 2744000, while the sum is 52.

The spelling of 101787552745 in words is "one hundred one billion, seven hundred eighty-seven million, five hundred fifty-two thousand, seven hundred forty-five".