102811082606 has 4 divisors (see below), whose sum is σ = 154216623912. Its totient is φ = 51405541302.

The previous prime is 102811082603. The next prime is 102811082623. The reversal of 102811082606 is 606280118201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102811082603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25702770650 + ... + 25702770653.

It is an arithmetic number, because the mean of its divisors is an integer number (38554155978).

Almost surely, 2^102811082606 is an apocalyptic number.

102811082606 is a deficient number, since it is larger than the sum of its proper divisors (51405541306).

102811082606 is an equidigital number, since it uses as much as digits as its factorization.

102811082606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51405541305.

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 102811082606 in words is "one hundred two billion, eight hundred eleven million, eighty-two thousand, six hundred six".