102511438402 has 8 divisors (see below), whose sum is σ = 153769467456. Its totient is φ = 51254949252.

The previous prime is 102511438369. The next prime is 102511438417. The reversal of 102511438402 is 204834115201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200958 + ... + 495385.

It is an arithmetic number, because the mean of its divisors is an integer number (19221183432).

Almost surely, 2^102511438402 is an apocalyptic number.

102511438402 is a deficient number, since it is larger than the sum of its proper divisors (51258029054).

102511438402 is an equidigital number, since it uses as much as digits as its factorization.

102511438402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769952.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 102511438402 in words is "one hundred two billion, five hundred eleven million, four hundred thirty-eight thousand, four hundred two".