21141625510 has 32 divisors (see below), whose sum is σ = 40307984640. Its totient is φ = 7956329472.

The previous prime is 21141625409. The next prime is 21141625517. The reversal of 21141625510 is 1552614112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141625517) 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, 483787 + ... + 525673.

It is an arithmetic number, because the mean of its divisors is an integer number (1259624520).

Almost surely, 2^21141625510 is an apocalyptic number.

21141625510 is a deficient number, since it is larger than the sum of its proper divisors (19166359130).

21141625510 is a wasteful number, since it uses less digits than its factorization.

21141625510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44880.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 21141625510 in words is "twenty-one billion, one hundred forty-one million, six hundred twenty-five thousand, five hundred ten".