1152814621551 has 8 divisors (see below), whose sum is σ = 1537195363200. Its totient is φ = 768488480472.

The previous prime is 1152814621493. The next prime is 1152814621559. The reversal of 1152814621551 is 1551264182511.

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

It is not a de Polignac number, because 1152814621551 - 2²¹ = 1152812524399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152814621559) 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, 13600851 + ... + 13685348.

It is an arithmetic number, because the mean of its divisors is an integer number (192149420400).

Almost surely, 2^{1152814621551} is an apocalyptic number.

1152814621551 is a deficient number, since it is larger than the sum of its proper divisors (384380741649).

1152814621551 is a wasteful number, since it uses less digits than its factorization.

1152814621551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27300285.

The product of its digits is 96000, while the sum is 42.

The spelling of 1152814621551 in words is "one trillion, one hundred fifty-two billion, eight hundred fourteen million, six hundred twenty-one thousand, five hundred fifty-one".