2115153332551 has 8 divisors (see below), whose sum is σ = 2417399562240. Its totient is φ = 1812927469848.

The previous prime is 2115153332549. The next prime is 2115153332557. The reversal of 2115153332551 is 1552333515112.

It is a happy number.

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 2115153332551 - 2¹ = 2115153332549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2115153332551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115153332557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4868551 + ... + 5285176.

It is an arithmetic number, because the mean of its divisors is an integer number (302174945280).

Almost surely, 2^{2115153332551} is an apocalyptic number.

2115153332551 is a deficient number, since it is larger than the sum of its proper divisors (302246229689).

2115153332551 is a wasteful number, since it uses less digits than its factorization.

2115153332551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10183493.

The product of its digits is 67500, while the sum is 37.

Adding to 2115153332551 its reverse (1552333515112), we get a palindrome (3667486847663).

The spelling of 2115153332551 in words is "two trillion, one hundred fifteen billion, one hundred fifty-three million, three hundred thirty-two thousand, five hundred fifty-one".