4901171187523 has 16 divisors (see below), whose sum is σ = 5357881570720. Its totient is φ = 4455869273856.

The previous prime is 4901171187481. The next prime is 4901171187571. The reversal of 4901171187523 is 3257811711094.

It is a happy number.

It is not a de Polignac number, because 4901171187523 - 2³³ = 4892581252931 is a prime.

It is a super-2 number, since 2×4901171187523² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4901171187623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4632511 + ... + 5591287.

It is an arithmetic number, because the mean of its divisors is an integer number (334867598170).

Almost surely, 2^{4901171187523} is an apocalyptic number.

4901171187523 is a deficient number, since it is larger than the sum of its proper divisors (456710383197).

4901171187523 is a wasteful number, since it uses less digits than its factorization.

4901171187523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964726.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 4901171187523 in words is "four trillion, nine hundred one billion, one hundred seventy-one million, one hundred eighty-seven thousand, five hundred twenty-three".