4815815097102 has 16 divisors (see below), whose sum is σ = 10198196676432. Its totient is φ = 1510843952000.

The previous prime is 4815815097091. The next prime is 4815815097127. The reversal of 4815815097102 is 2017905185184.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23606936649 + ... + 23606936852.

It is an arithmetic number, because the mean of its divisors is an integer number (637387292277).

Almost surely, 2^{4815815097102} is an apocalyptic number.

4815815097102 is an abundant number, since it is smaller than the sum of its proper divisors (5382381579330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4815815097102 is a wasteful number, since it uses less digits than its factorization.

4815815097102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47213873523.

The product of its (nonzero) digits is 806400, while the sum is 51.

The spelling of 4815815097102 in words is "four trillion, eight hundred fifteen billion, eight hundred fifteen million, ninety-seven thousand, one hundred two".