9955801145 has 16 divisors (see below), whose sum is σ = 12047554560. Its totient is φ = 7897647744.

The previous prime is 9955801129. The next prime is 9955801147. The reversal of 9955801145 is 5411085599.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9955801145 - 2⁴ = 9955801129 is a prime.

It is a super-2 number, since 2×9955801145² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9955801145.

It is not an unprimeable number, because it can be changed into a prime (9955801147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719866 + ... + 1725644.

It is an arithmetic number, because the mean of its divisors is an integer number (752972160).

Almost surely, 2^9955801145 is an apocalyptic number.

It is an amenable number.

9955801145 is a deficient number, since it is larger than the sum of its proper divisors (2091753415).

9955801145 is a wasteful number, since it uses less digits than its factorization.

9955801145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624.

The product of its (nonzero) digits is 324000, while the sum is 47.

The square root of 9955801145 is about 99778.7609915056. The cubic root of 9955801145 is about 2151.2558838863.

The spelling of 9955801145 in words is "nine billion, nine hundred fifty-five million, eight hundred one thousand, one hundred forty-five".