11501001630 has 48 divisors (see below), whose sum is σ = 30192945120. Its totient is φ = 3037155264.

The previous prime is 11501001601. The next prime is 11501001649. The reversal of 11501001630 is 3610010511.

11501001630 is a `hidden beast` number, since 1 + 1 + 501 + 0 + 0 + 163 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 611065 + ... + 629604.

It is an arithmetic number, because the mean of its divisors is an integer number (629019690).

Almost surely, 2^11501001630 is an apocalyptic number.

11501001630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11501001630 is an abundant number, since it is smaller than the sum of its proper divisors (18691943490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11501001630 is a wasteful number, since it uses less digits than its factorization.

11501001630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240785 (or 1240782 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The spelling of 11501001630 in words is "eleven billion, five hundred one million, one thousand, six hundred thirty".