142621130511 has 32 divisors (see below), whose sum is σ = 216328696320. Its totient is φ = 92816140032.

The previous prime is 142621130461. The next prime is 142621130521. The reversal of 142621130511 is 115031126241.

142621130511 is a `hidden beast` number, since 1 + 4 + 2 + 621 + 1 + 30 + 5 + 1 + 1 = 666.

It is not a de Polignac number, because 142621130511 - 2⁶ = 142621130447 is a prime.

It is a super-2 number, since 2×142621130511² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142621130521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2035615 + ... + 2104511.

It is an arithmetic number, because the mean of its divisors is an integer number (6760271760).

Almost surely, 2^142621130511 is an apocalyptic number.

142621130511 is a deficient number, since it is larger than the sum of its proper divisors (73707565809).

142621130511 is a wasteful number, since it uses less digits than its factorization.

142621130511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70732 (or 70726 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 142621130511 its reverse (115031126241), we get a palindrome (257652256752).

The spelling of 142621130511 in words is "one hundred forty-two billion, six hundred twenty-one million, one hundred thirty thousand, five hundred eleven".