15551241332 has 12 divisors (see below), whose sum is σ = 29688733536. Its totient is φ = 7068746040.

The previous prime is 15551241311. The next prime is 15551241341. The reversal of 15551241332 is 23314215551.

It is a super-2 number, since 2×15551241332² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176718608 + ... + 176718695.

It is an arithmetic number, because the mean of its divisors is an integer number (2474061128).

Almost surely, 2^15551241332 is an apocalyptic number.

It is an amenable number.

15551241332 is a deficient number, since it is larger than the sum of its proper divisors (14137492204).

15551241332 is a wasteful number, since it uses less digits than its factorization.

15551241332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353437318 (or 353437316 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

Adding to 15551241332 its reverse (23314215551), we get a palindrome (38865456883).

The spelling of 15551241332 in words is "fifteen billion, five hundred fifty-one million, two hundred forty-one thousand, three hundred thirty-two".