979153511 has 4 divisors (see below), whose sum is σ = 1119032592. Its totient is φ = 839274432.

The previous prime is 979153501. The next prime is 979153519. The reversal of 979153511 is 115351979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 979153511 - 2¹⁰ = 979152487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979153519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69939530 + ... + 69939543.

It is an arithmetic number, because the mean of its divisors is an integer number (279758148).

Almost surely, 2^979153511 is an apocalyptic number.

979153511 is a deficient number, since it is larger than the sum of its proper divisors (139879081).

979153511 is a wasteful number, since it uses less digits than its factorization.

979153511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139879080.

The product of its digits is 42525, while the sum is 41.

The square root of 979153511 is about 31291.4287145857. The cubic root of 979153511 is about 993.0023169856.

The spelling of 979153511 in words is "nine hundred seventy-nine million, one hundred fifty-three thousand, five hundred eleven".