102055515443 has 4 divisors (see below), whose sum is σ = 116634874800. Its totient is φ = 87476156088.

The previous prime is 102055515403. The next prime is 102055515451. The reversal of 102055515443 is 344515550201.

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

It is a cyclic number.

It is not a de Polignac number, because 102055515443 - 2¹⁶ = 102055449907 is a prime.

It is a super-2 number, since 2×102055515443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102055515403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7289679668 + ... + 7289679681.

It is an arithmetic number, because the mean of its divisors is an integer number (29158718700).

Almost surely, 2^102055515443 is an apocalyptic number.

102055515443 is a deficient number, since it is larger than the sum of its proper divisors (14579359357).

102055515443 is an equidigital number, since it uses as much as digits as its factorization.

102055515443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579359356.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 102055515443 in words is "one hundred two billion, fifty-five million, five hundred fifteen thousand, four hundred forty-three".