2251516120516 has 24 divisors (see below), whose sum is σ = 4341921968384. Its totient is φ = 1014994743840.

The previous prime is 2251516120499. The next prime is 2251516120547. The reversal of 2251516120516 is 6150216151522.

It is a super-2 number, since 2×2251516120516² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503467380 + ... + 503471851.

Almost surely, 2^{2251516120516} is an apocalyptic number.

2251516120516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2251516120516 is a deficient number, since it is larger than the sum of its proper divisors (2090405847868).

2251516120516 is a wasteful number, since it uses less digits than its factorization.

2251516120516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006939291 (or 1006939289 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 2251516120516 in words is "two trillion, two hundred fifty-one billion, five hundred sixteen million, one hundred twenty thousand, five hundred sixteen".