102401134615502 has 8 divisors (see below), whose sum is σ = 154290498793536. Its totient is φ = 50970968350992.

The previous prime is 102401134615489. The next prime is 102401134615553. The reversal of 102401134615502 is 205516431104201.

It is a happy number.

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

It is a congruent number.

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, 114799477823 + ... + 114799478714.

It is an arithmetic number, because the mean of its divisors is an integer number (19286312349192).

Almost surely, 2^{102401134615502} is an apocalyptic number.

102401134615502 is a deficient number, since it is larger than the sum of its proper divisors (51889364178034).

102401134615502 is a wasteful number, since it uses less digits than its factorization.

102401134615502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229598956762.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 102401134615502 its reverse (205516431104201), we get a palindrome (307917565719703).

The spelling of 102401134615502 in words is "one hundred two trillion, four hundred one billion, one hundred thirty-four million, six hundred fifteen thousand, five hundred two".