102451510461 has 16 divisors (see below), whose sum is σ = 138929140800. Its totient is φ = 67137641088.

The previous prime is 102451510457. The next prime is 102451510487. The reversal of 102451510461 is 164015154201.

It is not a de Polignac number, because 102451510461 - 2² = 102451510457 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102451510411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3389905 + ... + 3419993.

It is an arithmetic number, because the mean of its divisors is an integer number (8683071300).

Almost surely, 2^102451510461 is an apocalyptic number.

It is an amenable number.

102451510461 is a deficient number, since it is larger than the sum of its proper divisors (36477630339).

102451510461 is a wasteful number, since it uses less digits than its factorization.

102451510461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49388.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 102451510461 its reverse (164015154201), we get a palindrome (266466664662).

The spelling of 102451510461 in words is "one hundred two billion, four hundred fifty-one million, five hundred ten thousand, four hundred sixty-one".