9981150951 has 16 divisors (see below), whose sum is σ = 13772021760. Its totient is φ = 6422354400.

The previous prime is 9981150931. The next prime is 9981151021. The reversal of 9981150951 is 1590511899.

It is not a de Polignac number, because 9981150951 - 2⁵ = 9981150919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9981150951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9981150931) 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, 244026 + ... + 281976.

It is an arithmetic number, because the mean of its divisors is an integer number (860751360).

Almost surely, 2^9981150951 is an apocalyptic number.

9981150951 is a deficient number, since it is larger than the sum of its proper divisors (3790870809).

9981150951 is a wasteful number, since it uses less digits than its factorization.

9981150951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41006.

The product of its (nonzero) digits is 145800, while the sum is 48.

The square root of 9981150951 is about 99905.7103022645. The cubic root of 9981150951 is about 2153.0802038145.

The spelling of 9981150951 in words is "nine billion, nine hundred eighty-one million, one hundred fifty thousand, nine hundred fifty-one".