47172454861061 has 16 divisors (see below), whose sum is σ = 50978776854528. Its totient is φ = 43539454820400.

The previous prime is 47172454861027. The next prime is 47172454861079. The reversal of 47172454861061 is 16016845427174.

It is a de Polignac number, because none of the positive numbers 2^k-47172454861061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47172454860988 and 47172454861006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47172454861001) 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, 307231655 + ... + 307385156.

It is an arithmetic number, because the mean of its divisors is an integer number (3186173553408).

Almost surely, 2^{47172454861061} is an apocalyptic number.

It is an amenable number.

47172454861061 is a deficient number, since it is larger than the sum of its proper divisors (3806321993467).

47172454861061 is a wasteful number, since it uses less digits than its factorization.

47172454861061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614616952.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 47172454861061 in words is "forty-seven trillion, one hundred seventy-two billion, four hundred fifty-four million, eight hundred sixty-one thousand, sixty-one".