15212100481 has 16 divisors (see below), whose sum is σ = 16129491840. Its totient is φ = 14321301120.

The previous prime is 15212100469. The next prime is 15212100499. The reversal of 15212100481 is 18400121251.

15212100481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15212100481 - 2⁷ = 15212100353 is a prime.

It is a super-2 number, since 2×15212100481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15212100781) 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 15 ways as a sum of consecutive naturals, for example, 4215580 + ... + 4219186.

It is an arithmetic number, because the mean of its divisors is an integer number (1008093240).

Almost surely, 2^15212100481 is an apocalyptic number.

It is an amenable number.

15212100481 is a deficient number, since it is larger than the sum of its proper divisors (917391359).

15212100481 is a wasteful number, since it uses less digits than its factorization.

15212100481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224.

The product of its (nonzero) digits is 640, while the sum is 25.

The spelling of 15212100481 in words is "fifteen billion, two hundred twelve million, one hundred thousand, four hundred eighty-one".