102541321506 has 32 divisors (see below), whose sum is σ = 222213216960. Its totient is φ = 31357606464.

The previous prime is 102541321471. The next prime is 102541321513. The reversal of 102541321506 is 605123145201.

102541321506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4019901 + ... + 4045328.

It is an arithmetic number, because the mean of its divisors is an integer number (6944163030).

Almost surely, 2^102541321506 is an apocalyptic number.

102541321506 is an abundant number, since it is smaller than the sum of its proper divisors (119671895454).

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

102541321506 is a wasteful number, since it uses less digits than its factorization.

102541321506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065410.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 102541321506 its reverse (605123145201), we get a palindrome (707664466707).

The spelling of 102541321506 in words is "one hundred two billion, five hundred forty-one million, three hundred twenty-one thousand, five hundred six".