51498701862852 has 24 divisors (see below), whose sum is σ = 120172904923456. Its totient is φ = 17164910062368.

The previous prime is 51498701862847. The next prime is 51498701862863. The reversal of 51498701862852 is 25826810789415.

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, 165324403 + ... + 165635610.

Almost surely, 2^{51498701862852} is an apocalyptic number.

It is an amenable number.

51498701862852 is an abundant number, since it is smaller than the sum of its proper divisors (68674203060604).

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

51498701862852 is a wasteful number, since it uses less digits than its factorization.

51498701862852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330972987 (or 330972985 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 66.

The spelling of 51498701862852 in words is "fifty-one trillion, four hundred ninety-eight billion, seven hundred one million, eight hundred sixty-two thousand, eight hundred fifty-two".