116551345515 has 64 divisors (see below), whose sum is σ = 212469460992. Its totient is φ = 54004579200.

The previous prime is 116551345411. The next prime is 116551345541. The reversal of 116551345515 is 515543155611.

It is a happy number.

It is not a de Polignac number, because 116551345515 - 2⁸ = 116551345259 is a prime.

It is a super-2 number, since 2×116551345515² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4430832 + ... + 4457058.

It is an arithmetic number, because the mean of its divisors is an integer number (3319835328).

Almost surely, 2^116551345515 is an apocalyptic number.

116551345515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116551345515 is a deficient number, since it is larger than the sum of its proper divisors (95918115477).

116551345515 is a wasteful number, since it uses less digits than its factorization.

116551345515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27440.

The product of its digits is 225000, while the sum is 42.

The spelling of 116551345515 in words is "one hundred sixteen billion, five hundred fifty-one million, three hundred forty-five thousand, five hundred fifteen".