15541043434 has 16 divisors (see below), whose sum is σ = 26648294400. Its totient is φ = 6658820784.

The previous prime is 15541043431. The next prime is 15541043477. The reversal of 15541043434 is 43434014551.

It is a self number, because there is not a number n which added to its sum of digits gives 15541043434.

It is not an unprimeable number, because it can be changed into a prime (15541043431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75229 + ... + 191680.

It is an arithmetic number, because the mean of its divisors is an integer number (1665518400).

Almost surely, 2^15541043434 is an apocalyptic number.

15541043434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15541043434 is a deficient number, since it is larger than the sum of its proper divisors (11107250966).

15541043434 is a wasteful number, since it uses less digits than its factorization.

15541043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271077.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 15541043434 its reverse (43434014551), we get a palindrome (58975057985).

The spelling of 15541043434 in words is "fifteen billion, five hundred forty-one million, forty-three thousand, four hundred thirty-four".