15435540155 has 16 divisors (see below), whose sum is σ = 21215908800. Its totient is φ = 10560786432.

The previous prime is 15435540091. The next prime is 15435540161. The reversal of 15435540155 is 55104553451.

It is not a de Polignac number, because 15435540155 - 2⁶ = 15435540091 is a prime.

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, 475394 + ... + 506823.

It is an arithmetic number, because the mean of its divisors is an integer number (1325994300).

Almost surely, 2^15435540155 is an apocalyptic number.

15435540155 is a deficient number, since it is larger than the sum of its proper divisors (5780368645).

15435540155 is an equidigital number, since it uses as much as digits as its factorization.

15435540155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982678.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 15435540155 in words is "fifteen billion, four hundred thirty-five million, five hundred forty thousand, one hundred fifty-five".