2152412451505 has 8 divisors (see below), whose sum is σ = 2584702434600. Its totient is φ = 1720724966016.

The previous prime is 2152412451503. The next prime is 2152412451547. The reversal of 2152412451505 is 5051542142512.

It can be written as a sum of positive squares in 4 ways, for example, as 22473607744 + 2129938843761 = 149912^2 + 1459431^2 .

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 2152412451505 - 2¹ = 2152412451503 is a prime.

It is a super-2 number, since 2×2152412451505² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2152412451503) 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, 150616540 + ... + 150630829.

It is an arithmetic number, because the mean of its divisors is an integer number (323087804325).

Almost surely, 2^{2152412451505} is an apocalyptic number.

It is an amenable number.

2152412451505 is a deficient number, since it is larger than the sum of its proper divisors (432289983095).

2152412451505 is a wasteful number, since it uses less digits than its factorization.

2152412451505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301248803.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 2152412451505 in words is "two trillion, one hundred fifty-two billion, four hundred twelve million, four hundred fifty-one thousand, five hundred five".