61105848025 has 12 divisors (see below), whose sum is σ = 75839120812. Its totient is φ = 48840891840.

The previous prime is 61105847981. The next prime is 61105848043. The reversal of 61105848025 is 52084850116.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11660544256 + 49445303769 = 107984^2 + 222363^2 .

It is not a de Polignac number, because 61105848025 - 2⁹ = 61105847513 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066182 + ... + 1122031.

Almost surely, 2^61105848025 is an apocalyptic number.

It is an amenable number.

61105848025 is a deficient number, since it is larger than the sum of its proper divisors (14733272787).

61105848025 is a wasteful number, since it uses less digits than its factorization.

61105848025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189340 (or 2189335 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 61105848025 in words is "sixty-one billion, one hundred five million, eight hundred forty-eight thousand, twenty-five".