990524501311 has 8 divisors (see below), whose sum is σ = 997738358400. Its totient is φ = 983311898520.

The previous prime is 990524501273. The next prime is 990524501321. The reversal of 990524501311 is 113105425099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990524501311 - 2³⁹ = 440768687423 is a prime.

It is a super-2 number, since 2×990524501311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990524501321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301766 + ... + 1917196.

It is an arithmetic number, because the mean of its divisors is an integer number (124717294800).

Almost surely, 2^990524501311 is an apocalyptic number.

990524501311 is a deficient number, since it is larger than the sum of its proper divisors (7213857089).

990524501311 is a wasteful number, since it uses less digits than its factorization.

990524501311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627149.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 990524501311 in words is "nine hundred ninety billion, five hundred twenty-four million, five hundred one thousand, three hundred eleven".