2152557659061 has 8 divisors (see below), whose sum is σ = 3188974309760. Its totient is φ = 1435038439356.

The previous prime is 2152557659023. The next prime is 2152557659099. The reversal of 2152557659061 is 1609567552512.

2152557659061 is a `hidden beast` number, since 2 + 1 + 5 + 2 + 5 + 576 + 5 + 9 + 0 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (2152557659023) and next prime (2152557659099).

It is not a de Polignac number, because 2152557659061 - 2²² = 2152553464757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2152557658989 and 2152557659007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152557659261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39862178845 + ... + 39862178898.

It is an arithmetic number, because the mean of its divisors is an integer number (398621788720).

Almost surely, 2^{2152557659061} is an apocalyptic number.

It is an amenable number.

2152557659061 is a deficient number, since it is larger than the sum of its proper divisors (1036416650699).

2152557659061 is an equidigital number, since it uses as much as digits as its factorization.

2152557659061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79724357752 (or 79724357746 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 54.

The spelling of 2152557659061 in words is "two trillion, one hundred fifty-two billion, five hundred fifty-seven million, six hundred fifty-nine thousand, sixty-one".