1145546051515 has 16 divisors (see below), whose sum is σ = 1441846588032. Its totient is φ = 872696605824.

The previous prime is 1145546051513. The next prime is 1145546051543. The reversal of 1145546051515 is 5151506455411.

It is not a de Polignac number, because 1145546051515 - 2¹ = 1145546051513 is a prime.

It is a super-2 number, since 2×1145546051515² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145546051513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65865144 + ... + 65882533.

It is an arithmetic number, because the mean of its divisors is an integer number (90115411752).

Almost surely, 2^{1145546051515} is an apocalyptic number.

1145546051515 is a deficient number, since it is larger than the sum of its proper divisors (296300536517).

1145546051515 is a wasteful number, since it uses less digits than its factorization.

1145546051515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131747766.

The product of its (nonzero) digits is 300000, while the sum is 43.

The spelling of 1145546051515 in words is "one trillion, one hundred forty-five billion, five hundred forty-six million, fifty-one thousand, five hundred fifteen".