51642603102000 has 160 divisors (see below), whose sum is σ = 168144227169984. Its totient is φ = 13635010560000.

The previous prime is 51642603101987. The next prime is 51642603102031. The reversal of 51642603102000 is 20130624615.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42003409 + ... + 43215408.

Almost surely, 2^{51642603102000} is an apocalyptic number.

51642603102000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51642603102000 is an abundant number, since it is smaller than the sum of its proper divisors (116501624067984).

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

51642603102000 is a wasteful number, since it uses less digits than its factorization.

51642603102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85218944 (or 85218928 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 51642603102000 its reverse (20130624615), we get a palindrome (51662733726615).

The spelling of 51642603102000 in words is "fifty-one trillion, six hundred forty-two billion, six hundred three million, one hundred two thousand".