7152218615945 has 32 divisors (see below), whose sum is σ = 9330016026240. Its totient is φ = 5231847121920.

The previous prime is 7152218615939. The next prime is 7152218615951. The reversal of 7152218615945 is 5495168122517.

It is an interprime number because it is at equal distance from previous prime (7152218615939) and next prime (7152218615951).

It is not a de Polignac number, because 7152218615945 - 2⁶ = 7152218615881 is a prime.

It is a super-2 number, since 2×7152218615945² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102419201 + ... + 102489009.

It is an arithmetic number, because the mean of its divisors is an integer number (291563000820).

Almost surely, 2^{7152218615945} is an apocalyptic number.

It is an amenable number.

7152218615945 is a deficient number, since it is larger than the sum of its proper divisors (2177797410295).

7152218615945 is a wasteful number, since it uses less digits than its factorization.

7152218615945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84665.

The product of its digits is 6048000, while the sum is 56.

The spelling of 7152218615945 in words is "seven trillion, one hundred fifty-two billion, two hundred eighteen million, six hundred fifteen thousand, nine hundred forty-five".