142011115512 has 64 divisors (see below), whose sum is σ = 414378961920. Its totient is φ = 39711312768.

The previous prime is 142011115511. The next prime is 142011115513. The reversal of 142011115512 is 215511110241.

It is an interprime number because it is at equal distance from previous prime (142011115511) and next prime (142011115513).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142011115511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8984703 + ... + 9000494.

It is an arithmetic number, because the mean of its divisors is an integer number (6474671280).

Almost surely, 2^142011115512 is an apocalyptic number.

142011115512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142011115512 is an abundant number, since it is smaller than the sum of its proper divisors (272367846408).

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

142011115512 is a wasteful number, since it uses less digits than its factorization.

142011115512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17985260 (or 17985256 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

Adding to 142011115512 its reverse (215511110241), we get a palindrome (357522225753).

The spelling of 142011115512 in words is "one hundred forty-two billion, eleven million, one hundred fifteen thousand, five hundred twelve".