9952559155 has 128 divisors (see below), whose sum is σ = 15937689600. Its totient is φ = 5834949120.

The previous prime is 9952559147. The next prime is 9952559167. The reversal of 9952559155 is 5519552599.

9952559155 is a nontrivial binomial coefficient, being equal to C(141086, 2).

It is not a de Polignac number, because 9952559155 - 2³ = 9952559147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 9952559096 and 9952559105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 71601076 + ... + 71601214.

It is an arithmetic number, because the mean of its divisors is an integer number (124513200).

Almost surely, 2^9952559155 is an apocalyptic number.

9952559155 is the 141085-th triangular number and also the 70543-rd hexagonal number.

9952559155 is the 47029-th centered nonagonal number.

9952559155 is a deficient number, since it is larger than the sum of its proper divisors (5985130445).

9952559155 is a wasteful number, since it uses less digits than its factorization.

9952559155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 244 counting only the distinct ones).

The product of its digits is 4556250, while the sum is 55.

The square root of 9952559155 is about 99762.5137764682. The cubic root of 9952559155 is about 2151.0223481103.

The spelling of 9952559155 in words is "nine billion, nine hundred fifty-two million, five hundred fifty-nine thousand, one hundred fifty-five".