5535415151521 has 4 divisors (see below), whose sum is σ = 5535548554032. Its totient is φ = 5535281749012.

The previous prime is 5535415151503. The next prime is 5535415151533. The reversal of 5535415151521 is 1251515145355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5535415151521 - 2⁵ = 5535415151489 is a prime.

It is a super-3 number, since 3×5535415151521³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5535415151221) 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 3 ways as a sum of consecutive naturals, for example, 66638995 + ... + 66722008.

It is an arithmetic number, because the mean of its divisors is an integer number (1383887138508).

Almost surely, 2^{5535415151521} is an apocalyptic number.

It is an amenable number.

5535415151521 is a deficient number, since it is larger than the sum of its proper divisors (133402511).

5535415151521 is a wasteful number, since it uses less digits than its factorization.

5535415151521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133402510.

The product of its digits is 375000, while the sum is 43.

The spelling of 5535415151521 in words is "five trillion, five hundred thirty-five billion, four hundred fifteen million, one hundred fifty-one thousand, five hundred twenty-one".