61130862153 has 18 divisors (see below), whose sum is σ = 89093042766. Its totient is φ = 40388044032.

The previous prime is 61130862137. The next prime is 61130862227. The reversal of 61130862153 is 35126803116.

61130862153 is a `hidden beast` number, since 611 + 30 + 8 + 6 + 2 + 1 + 5 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 30468400704 + 30662461449 = 174552^2 + 175107^2 .

It is not a de Polignac number, because 61130862153 - 2⁴ = 61130862137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61130862103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7880925 + ... + 7888677.

It is an arithmetic number, because the mean of its divisors is an integer number (4949613487).

Almost surely, 2^61130862153 is an apocalyptic number.

It is an amenable number.

61130862153 is a deficient number, since it is larger than the sum of its proper divisors (27962180613).

61130862153 is an frugal number, since it uses more digits than its factorization.

61130862153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15625 (or 7869 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 61130862153 in words is "sixty-one billion, one hundred thirty million, eight hundred sixty-two thousand, one hundred fifty-three".