10131265542 has 16 divisors (see below), whose sum is σ = 20264887872. Its totient is φ = 3376695720.

The previous prime is 10131265541. The next prime is 10131265559. The reversal of 10131265542 is 24556213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131265541) 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, 39628 + ... + 147759.

It is an arithmetic number, because the mean of its divisors is an integer number (1266555492).

Almost surely, 2^10131265542 is an apocalyptic number.

10131265542 is an abundant number, since it is smaller than the sum of its proper divisors (10133622330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10131265542 is a wasteful number, since it uses less digits than its factorization.

10131265542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196403.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 10131265542 its reverse (24556213101), we get a palindrome (34687478643).

The spelling of 10131265542 in words is "ten billion, one hundred thirty-one million, two hundred sixty-five thousand, five hundred forty-two".