72553643801431 has 8 divisors (see below), whose sum is σ = 78137394268640. Its totient is φ = 66970279183392.

The previous prime is 72553643801423. The next prime is 72553643801491. The reversal of 72553643801431 is 13410834635527.

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

It is not a de Polignac number, because 72553643801431 - 2³ = 72553643801423 is a prime.

It is a super-2 number, since 2×72553643801431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72553643801491) 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, 96071691 + ... + 96823948.

It is an arithmetic number, because the mean of its divisors is an integer number (9767174283580).

Almost surely, 2^{72553643801431} is an apocalyptic number.

72553643801431 is a deficient number, since it is larger than the sum of its proper divisors (5583750467209).

72553643801431 is a wasteful number, since it uses less digits than its factorization.

72553643801431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192924585.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 72553643801431 in words is "seventy-two trillion, five hundred fifty-three billion, six hundred forty-three million, eight hundred one thousand, four hundred thirty-one".