101511242052 has 24 divisors (see below), whose sum is σ = 258392252832. Its totient is φ = 30760982400.

The previous prime is 101511242011. The next prime is 101511242137. The reversal of 101511242052 is 250242115101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384512149 + ... + 384512412.

It is an arithmetic number, because the mean of its divisors is an integer number (10766343868).

Almost surely, 2^101511242052 is an apocalyptic number.

101511242052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101511242052 is an abundant number, since it is smaller than the sum of its proper divisors (156881010780).

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

101511242052 is a wasteful number, since it uses less digits than its factorization.

101511242052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769024579 (or 769024577 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 101511242052 its reverse (250242115101), we get a palindrome (351753357153).

The spelling of 101511242052 in words is "one hundred one billion, five hundred eleven million, two hundred forty-two thousand, fifty-two".