101536078225 has 6 divisors (see below), whose sum is σ = 125904737030. Its totient is φ = 81228862560.

The previous prime is 101536078187. The next prime is 101536078229. The reversal of 101536078225 is 522870635101.

It can be written as a sum of positive squares in 3 ways, for example, as 3093250689 + 98442827536 = 55617^2 + 313756^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101536078225 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101536078229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2030721540 + ... + 2030721589.

Almost surely, 2^101536078225 is an apocalyptic number.

It is an amenable number.

101536078225 is a deficient number, since it is larger than the sum of its proper divisors (24368658805).

101536078225 is an equidigital number, since it uses as much as digits as its factorization.

101536078225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061443139 (or 4061443134 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 101536078225 in words is "one hundred one billion, five hundred thirty-six million, seventy-eight thousand, two hundred twenty-five".