7265632421131 has 4 divisors (see below), whose sum is σ = 8303579909872. Its totient is φ = 6227684932392.

The previous prime is 7265632421119. The next prime is 7265632421189. The reversal of 7265632421131 is 1311242365627.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7265632421131 - 2¹⁵ = 7265632388363 is a prime.

It is a super-2 number, since 2×7265632421131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7265632421111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518973744360 + ... + 518973744373.

It is an arithmetic number, because the mean of its divisors is an integer number (2075894977468).

Almost surely, 2^{7265632421131} is an apocalyptic number.

7265632421131 is a deficient number, since it is larger than the sum of its proper divisors (1037947488741).

7265632421131 is a wasteful number, since it uses less digits than its factorization.

7265632421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037947488740.

The product of its digits is 362880, while the sum is 43.

Adding to 7265632421131 its reverse (1311242365627), we get a palindrome (8576874786758).

The spelling of 7265632421131 in words is "seven trillion, two hundred sixty-five billion, six hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-one".