99151020956 has 24 divisors (see below), whose sum is σ = 186937771440. Its totient is φ = 45743340672.

The previous prime is 99151020931. The next prime is 99151020979. The reversal of 99151020956 is 65902015199.

It is a self number, because there is not a number n which added to its sum of digits gives 99151020956.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259841 + ... + 515576.

It is an arithmetic number, because the mean of its divisors is an integer number (7789073810).

Almost surely, 2^99151020956 is an apocalyptic number.

It is an amenable number.

99151020956 is a deficient number, since it is larger than the sum of its proper divisors (87786750484).

99151020956 is a wasteful number, since it uses less digits than its factorization.

99151020956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777893 (or 777891 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 47.

The spelling of 99151020956 in words is "ninety-nine billion, one hundred fifty-one million, twenty thousand, nine hundred fifty-six".