101440155125 has 96 divisors (see below), whose sum is σ = 135297127680. Its totient is φ = 75878208000.

The previous prime is 101440155041. The next prime is 101440155149. The reversal of 101440155125 is 521551044101.

It is a de Polignac number, because none of the positive numbers 2^k-101440155125 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 930643571 + ... + 930643679.

It is an arithmetic number, because the mean of its divisors is an integer number (1409345080).

Almost surely, 2^101440155125 is an apocalyptic number.

It is an amenable number.

101440155125 is a deficient number, since it is larger than the sum of its proper divisors (33856972555).

101440155125 is a wasteful number, since it uses less digits than its factorization.

101440155125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 101440155125 its reverse (521551044101), we get a palindrome (622991199226).

The spelling of 101440155125 in words is "one hundred one billion, four hundred forty million, one hundred fifty-five thousand, one hundred twenty-five".