9955631151 has 6 divisors (see below), whose sum is σ = 14380356120. Its totient is φ = 6637087428.

The previous prime is 9955631143. The next prime is 9955631159. The reversal of 9955631151 is 1511365599.

9955631151 is a `hidden beast` number, since 9 + 9 + 5 + 5 + 631 + 1 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (9955631143) and next prime (9955631159).

It is not a de Polignac number, because 9955631151 - 2³ = 9955631143 is a prime.

It is a super-2 number, since 2×9955631151² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9955631097 and 9955631106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9955631159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553090611 + ... + 553090628.

It is an arithmetic number, because the mean of its divisors is an integer number (2396726020).

Almost surely, 2^9955631151 is an apocalyptic number.

9955631151 is a deficient number, since it is larger than the sum of its proper divisors (4424724969).

9955631151 is a wasteful number, since it uses less digits than its factorization.

9955631151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106181245 (or 1106181242 counting only the distinct ones).

The product of its digits is 182250, while the sum is 45.

The square root of 9955631151 is about 99777.9091332345. The cubic root of 9955631151 is about 2151.2436396792.

The spelling of 9955631151 in words is "nine billion, nine hundred fifty-five million, six hundred thirty-one thousand, one hundred fifty-one".