102153712061 has 4 divisors (see below), whose sum is σ = 102179171772. Its totient is φ = 102128252352.

The previous prime is 102153712051. The next prime is 102153712093. The reversal of 102153712061 is 160217351201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48898919161 + 53254792900 = 221131^2 + 230770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102153712061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102153712051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12723836 + ... + 12731861.

It is an arithmetic number, because the mean of its divisors is an integer number (25544792943).

Almost surely, 2^102153712061 is an apocalyptic number.

It is an amenable number.

102153712061 is a deficient number, since it is larger than the sum of its proper divisors (25459711).

102153712061 is an equidigital number, since it uses as much as digits as its factorization.

102153712061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25459710.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 102153712061 in words is "one hundred two billion, one hundred fifty-three million, seven hundred twelve thousand, sixty-one".