102551440251243 has 8 divisors (see below), whose sum is σ = 137052504838656. Its totient is φ = 68209001249000.

The previous prime is 102551440251187. The next prime is 102551440251259. The reversal of 102551440251243 is 342152044155201.

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

It is a cyclic number.

It is not a de Polignac number, because 102551440251243 - 2⁴² = 98153393740139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102551440261243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39656394783 + ... + 39656397368.

It is an arithmetic number, because the mean of its divisors is an integer number (17131563104832).

Almost surely, 2^{102551440251243} is an apocalyptic number.

102551440251243 is a deficient number, since it is larger than the sum of its proper divisors (34501064587413).

102551440251243 is an equidigital number, since it uses as much as digits as its factorization.

102551440251243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79312792585.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 102551440251243 in words is "one hundred two trillion, five hundred fifty-one billion, four hundred forty million, two hundred fifty-one thousand, two hundred forty-three".