79001121003 has 32 divisors (see below), whose sum is σ = 128609955840. Its totient is φ = 42129188640.

The previous prime is 79001120977. The next prime is 79001121049. The reversal of 79001121003 is 30012110097.

It is not a de Polignac number, because 79001121003 - 2⁸ = 79001120747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79001121203) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1450863 + ... + 1504328.

It is an arithmetic number, because the mean of its divisors is an integer number (4019061120).

Almost surely, 2^79001121003 is an apocalyptic number.

79001121003 is a deficient number, since it is larger than the sum of its proper divisors (49608834837).

79001121003 is a wasteful number, since it uses less digits than its factorization.

79001121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955287.

The product of its (nonzero) digits is 378, while the sum is 24.

The spelling of 79001121003 in words is "seventy-nine billion, one million, one hundred twenty-one thousand, three".