15551331114 has 16 divisors (see below), whose sum is σ = 33930177120. Its totient is φ = 4712524560.

The previous prime is 15551331083. The next prime is 15551331121. The reversal of 15551331114 is 41113315551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117813049 + ... + 117813180.

It is an arithmetic number, because the mean of its divisors is an integer number (2120636070).

Almost surely, 2^15551331114 is an apocalyptic number.

15551331114 is an abundant number, since it is smaller than the sum of its proper divisors (18378846006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15551331114 is a wasteful number, since it uses less digits than its factorization.

15551331114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235626245.

The product of its digits is 4500, while the sum is 30.

Adding to 15551331114 its reverse (41113315551), we get a palindrome (56664646665).

The spelling of 15551331114 in words is "fifteen billion, five hundred fifty-one million, three hundred thirty-one thousand, one hundred fourteen".