15215443541355 has 32 divisors (see below), whose sum is σ = 24656599542528. Its totient is φ = 8011403024000.

The previous prime is 15215443541327. The next prime is 15215443541371. The reversal of 15215443541355 is 55314534451251.

It is not a de Polignac number, because 15215443541355 - 2⁵ = 15215443541323 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13945761 + ... + 14997170.

It is an arithmetic number, because the mean of its divisors is an integer number (770518735704).

Almost surely, 2^{15215443541355} is an apocalyptic number.

15215443541355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15215443541355 is a deficient number, since it is larger than the sum of its proper divisors (9441156001173).

15215443541355 is a wasteful number, since it uses less digits than its factorization.

15215443541355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28943387.

The product of its digits is 3600000, while the sum is 48.

The spelling of 15215443541355 in words is "fifteen trillion, two hundred fifteen billion, four hundred forty-three million, five hundred forty-one thousand, three hundred fifty-five".