6990241511 has 12 divisors (see below), whose sum is σ = 7703812200. Its totient is φ = 6337956240.

The previous prime is 6990241499. The next prime is 6990241513. The reversal of 6990241511 is 1151420996.

It is not a de Polignac number, because 6990241511 - 2²² = 6986047207 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 (6990241513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30356 + ... + 122073.

It is an arithmetic number, because the mean of its divisors is an integer number (641984350).

Almost surely, 2^6990241511 is an apocalyptic number.

6990241511 is a deficient number, since it is larger than the sum of its proper divisors (713570689).

6990241511 is a wasteful number, since it uses less digits than its factorization.

6990241511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152830 (or 152819 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 6990241511 is about 83607.6641881592. The cubic root of 6990241511 is about 1912.0418494798.

The spelling of 6990241511 in words is "six billion, nine hundred ninety million, two hundred forty-one thousand, five hundred eleven".