15155543042 has 16 divisors (see below), whose sum is σ = 23852791872. Its totient is φ = 7208253360.

The previous prime is 15155543033. The next prime is 15155543047. The reversal of 15155543042 is 24034555151.

It is a super-2 number, since 2×15155543042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15155542993 and 15155543011.

It is not an unprimeable number, because it can be changed into a prime (15155543047) 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, 901808 + ... + 918459.

It is an arithmetic number, because the mean of its divisors is an integer number (1490799492).

Almost surely, 2^15155543042 is an apocalyptic number.

15155543042 is a deficient number, since it is larger than the sum of its proper divisors (8697248830).

15155543042 is a wasteful number, since it uses less digits than its factorization.

15155543042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820473.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 15155543042 in words is "fifteen billion, one hundred fifty-five million, five hundred forty-three thousand, forty-two".