47451517505 has 64 divisors (see below), whose sum is σ = 66632053248. Its totient is φ = 31773081600.

The previous prime is 47451517481. The next prime is 47451517513. The reversal of 47451517505 is 50571515474.

It is not a de Polignac number, because 47451517505 - 2¹² = 47451513409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107113814 + ... + 107114256.

It is an arithmetic number, because the mean of its divisors is an integer number (1041125832).

Almost surely, 2^47451517505 is an apocalyptic number.

It is an amenable number.

47451517505 is a deficient number, since it is larger than the sum of its proper divisors (19180535743).

47451517505 is a wasteful number, since it uses less digits than its factorization.

47451517505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 490000, while the sum is 44.

The spelling of 47451517505 in words is "forty-seven billion, four hundred fifty-one million, five hundred seventeen thousand, five hundred five".