102115561600650 has 48 divisors (see below), whose sum is σ = 272727099910944. Its totient is φ = 25136138239680.

The previous prime is 102115561600627. The next prime is 102115561600681. The reversal of 102115561600650 is 56006165511201.

It is a super-2 number, since 2×102115561600650² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 102115561600599 and 102115561600608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26183475384 + ... + 26183479283.

It is an arithmetic number, because the mean of its divisors is an integer number (5681814581478).

Almost surely, 2^{102115561600650} is an apocalyptic number.

102115561600650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102115561600650 is an abundant number, since it is smaller than the sum of its proper divisors (170611538310294).

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

102115561600650 is a wasteful number, since it uses less digits than its factorization.

102115561600650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52366954695 (or 52366954690 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 102115561600650 in words is "one hundred two trillion, one hundred fifteen billion, five hundred sixty-one million, six hundred thousand, six hundred fifty".