142531130511263 has 4 divisors (see below), whose sum is σ = 153495063627528. Its totient is φ = 131567197395000.

The previous prime is 142531130511239. The next prime is 142531130511391. The reversal of 142531130511263 is 362115031135241.

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

It is a cyclic number.

It is not a de Polignac number, because 142531130511263 - 2²⁸ = 142530862075807 is a prime.

It is a super-3 number, since 3×142531130511263³ (a number of 43 digits) contains 333 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 (142531130511233) 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, 5481966558113 + ... + 5481966558138.

It is an arithmetic number, because the mean of its divisors is an integer number (38373765906882).

Almost surely, 2^{142531130511263} is an apocalyptic number.

142531130511263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142531130511263 is a deficient number, since it is larger than the sum of its proper divisors (10963933116265).

142531130511263 is a wasteful number, since it uses less digits than its factorization.

142531130511263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963933116264.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 142531130511263 in words is "one hundred forty-two trillion, five hundred thirty-one billion, one hundred thirty million, five hundred eleven thousand, two hundred sixty-three".