15551234002 has 8 divisors (see below), whose sum is σ = 23483407500. Its totient is φ = 7723431504.

The previous prime is 15551233967. The next prime is 15551234011. The reversal of 15551234002 is 20043215551.

It can be written as a sum of positive squares in 2 ways, for example, as 15542359561 + 8874441 = 124669^2 + 2979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 26092377 + ... + 26092972.

Almost surely, 2^15551234002 is an apocalyptic number.

15551234002 is a deficient number, since it is larger than the sum of its proper divisors (7932173498).

15551234002 is a wasteful number, since it uses less digits than its factorization.

15551234002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52185500.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 15551234002 its reverse (20043215551), we get a palindrome (35594449553).

The spelling of 15551234002 in words is "fifteen billion, five hundred fifty-one million, two hundred thirty-four thousand, two".