102981613582 has 4 divisors (see below), whose sum is σ = 154472420376. Its totient is φ = 51490806790.

The previous prime is 102981613549. The next prime is 102981613597. The reversal of 102981613582 is 285316189201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 285316189201 = 195427 ⋅1459963.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25745403394 + ... + 25745403397.

It is an arithmetic number, because the mean of its divisors is an integer number (38618105094).

Almost surely, 2^102981613582 is an apocalyptic number.

102981613582 is a deficient number, since it is larger than the sum of its proper divisors (51490806794).

102981613582 is an equidigital number, since it uses as much as digits as its factorization.

102981613582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51490806793.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 102981613582 in words is "one hundred two billion, nine hundred eighty-one million, six hundred thirteen thousand, five hundred eighty-two".