9981150952 has 16 divisors (see below), whose sum is σ = 18857520000. Its totient is φ = 4952478960.

The previous prime is 9981150931. The next prime is 9981151021. The reversal of 9981150952 is 2590511899.

It is a super-2 number, since 2×9981150952² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9981150896 and 9981150905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760952 + ... + 4763047.

It is an arithmetic number, because the mean of its divisors is an integer number (1178595000).

Almost surely, 2^9981150952 is an apocalyptic number.

It is an amenable number.

9981150952 is a deficient number, since it is larger than the sum of its proper divisors (8876369048).

9981150952 is a wasteful number, since it uses less digits than its factorization.

9981150952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524136 (or 9524132 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 49.

The square root of 9981150952 is about 99905.7103072692. The cubic root of 9981150952 is about 2153.0802038864.

The spelling of 9981150952 in words is "nine billion, nine hundred eighty-one million, one hundred fifty thousand, nine hundred fifty-two".