47501552525781 has 8 divisors (see below), whose sum is σ = 64408884780960. Its totient is φ = 31130960977232.

The previous prime is 47501552525773. The next prime is 47501552525893. The reversal of 47501552525781 is 18752525510574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47501552525781 - 2³ = 47501552525773 is a prime.

It is a super-2 number, since 2×47501552525781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47501552525381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134185176450 + ... + 134185176803.

It is an arithmetic number, because the mean of its divisors is an integer number (8051110597620).

Almost surely, 2^{47501552525781} is an apocalyptic number.

It is an amenable number.

47501552525781 is a deficient number, since it is larger than the sum of its proper divisors (16907332255179).

47501552525781 is a wasteful number, since it uses less digits than its factorization.

47501552525781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268370353315.

The product of its (nonzero) digits is 19600000, while the sum is 57.

The spelling of 47501552525781 in words is "forty-seven trillion, five hundred one billion, five hundred fifty-two million, five hundred twenty-five thousand, seven hundred eighty-one".