6121501552 has 20 divisors (see below), whose sum is σ = 12243004096. Its totient is φ = 2962016640.

The previous prime is 6121501549. The next prime is 6121501571. The reversal of 6121501552 is 2551051216.

6121501552 is an admirable number.

It is a super-2 number, since 2×6121501552² = 74945562502276817408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6121501552.

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 3 ways as a sum of consecutive naturals, for example, 6170373 + ... + 6171364.

Almost surely, 2^6121501552 is an apocalyptic number.

6121501552 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6121501552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6121501552 is a wasteful number, since it uses less digits than its factorization.

6121501552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12341776 (or 12341770 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 6121501552 is about 78240.0252556196. The cubic root of 6121501552 is about 1829.3044378988.

Adding to 6121501552 its reverse (2551051216), we get a palindrome (8672552768).

The spelling of 6121501552 in words is "six billion, one hundred twenty-one million, five hundred one thousand, five hundred fifty-two".