115021550142 has 48 divisors (see below), whose sum is σ = 255515420160. Its totient is φ = 37372608000.

The previous prime is 115021550117. The next prime is 115021550167. The reversal of 115021550142 is 241055120511.

It is a happy number.

115021550142 is a `hidden beast` number, since 1 + 1 + 50 + 21 + 550 + 1 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (115021550117) and next prime (115021550167).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 781734 + ... + 917142.

It is an arithmetic number, because the mean of its divisors is an integer number (5323237920).

Almost surely, 2^115021550142 is an apocalyptic number.

115021550142 is an abundant number, since it is smaller than the sum of its proper divisors (140493870018).

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

115021550142 is a wasteful number, since it uses less digits than its factorization.

115021550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136609 (or 136606 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 115021550142 its reverse (241055120511), we get a palindrome (356076670653).

The spelling of 115021550142 in words is "one hundred fifteen billion, twenty-one million, five hundred fifty thousand, one hundred forty-two".