15550151011 has 8 divisors (see below), whose sum is σ = 15756330240. Its totient is φ = 15344420232.

The previous prime is 15550151009. The next prime is 15550151027. The reversal of 15550151011 is 11015105551.

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

It is a cyclic number.

It is not a de Polignac number, because 15550151011 - 2¹ = 15550151009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15550151041) 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, 42015 + ... + 181288.

It is an arithmetic number, because the mean of its divisors is an integer number (1969541280).

Almost surely, 2^15550151011 is an apocalyptic number.

15550151011 is a deficient number, since it is larger than the sum of its proper divisors (206179229).

15550151011 is an equidigital number, since it uses as much as digits as its factorization.

15550151011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224225.

The product of its (nonzero) digits is 625, while the sum is 25.

Adding to 15550151011 its reverse (11015105551), we get a palindrome (26565256562).

The spelling of 15550151011 in words is "fifteen billion, five hundred fifty million, one hundred fifty-one thousand, eleven".