15122152011 has 8 divisors (see below), whose sum is σ = 20213659024. Its totient is φ = 10056039840.

The previous prime is 15122152009. The next prime is 15122152027. The reversal of 15122152011 is 11025122151.

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

It is not a de Polignac number, because 15122152011 - 2¹ = 15122152009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15122152411) 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, 6347320 + ... + 6349701.

It is an arithmetic number, because the mean of its divisors is an integer number (2526707378).

Almost surely, 2^15122152011 is an apocalyptic number.

15122152011 is a deficient number, since it is larger than the sum of its proper divisors (5091507013).

15122152011 is a wasteful number, since it uses less digits than its factorization.

15122152011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697421.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 15122152011 its reverse (11025122151), we get a palindrome (26147274162).

The spelling of 15122152011 in words is "fifteen billion, one hundred twenty-two million, one hundred fifty-two thousand, eleven".