2455661115513 has 12 divisors (see below), whose sum is σ = 3548602277220. Its totient is φ = 1636398385056.

The previous prime is 2455661115487. The next prime is 2455661115521. The reversal of 2455661115513 is 3155111665542.

2455661115513 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 6 + 611 + 15 + 5 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1108025706384 + 1347635409129 = 1052628^2 + 1160877^2 .

It is not a de Polignac number, because 2455661115513 - 2²⁵ = 2455627561081 is a prime.

It is a super-3 number, since 3×2455661115513³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2455661115013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59063506 + ... + 59105067.

It is an arithmetic number, because the mean of its divisors is an integer number (295716856435).

Almost surely, 2^{2455661115513} is an apocalyptic number.

It is an amenable number.

2455661115513 is a deficient number, since it is larger than the sum of its proper divisors (1092941161707).

2455661115513 is a wasteful number, since it uses less digits than its factorization.

2455661115513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118170888 (or 118170885 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The spelling of 2455661115513 in words is "two trillion, four hundred fifty-five billion, six hundred sixty-one million, one hundred fifteen thousand, five hundred thirteen".