103521540155 has 16 divisors (see below), whose sum is σ = 135526086144. Its totient is φ = 75284515680.

The previous prime is 103521540107. The next prime is 103521540229. The reversal of 103521540155 is 551045125301.

It is not a de Polignac number, because 103521540155 - 2¹⁰ = 103521539131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442432 + ... + 1512498.

It is an arithmetic number, because the mean of its divisors is an integer number (8470380384).

Almost surely, 2^103521540155 is an apocalyptic number.

103521540155 is a deficient number, since it is larger than the sum of its proper divisors (32004545989).

103521540155 is a wasteful number, since it uses less digits than its factorization.

103521540155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96946.

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 103521540155 its reverse (551045125301), we get a palindrome (654566665456).

The spelling of 103521540155 in words is "one hundred three billion, five hundred twenty-one million, five hundred forty thousand, one hundred fifty-five".