103521000542 has 4 divisors (see below), whose sum is σ = 155281500816. Its totient is φ = 51760500270.

The previous prime is 103521000533. The next prime is 103521000571. The reversal of 103521000542 is 245000125301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245000125301 = 827 ⋅296251663.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25880250134 + ... + 25880250137.

It is an arithmetic number, because the mean of its divisors is an integer number (38820375204).

Almost surely, 2^103521000542 is an apocalyptic number.

103521000542 is a deficient number, since it is larger than the sum of its proper divisors (51760500274).

103521000542 is an equidigital number, since it uses as much as digits as its factorization.

103521000542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51760500273.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 103521000542 its reverse (245000125301), we get a palindrome (348521125843).

The spelling of 103521000542 in words is "one hundred three billion, five hundred twenty-one million, five hundred forty-two", and thus it is an aban number.