61153471227448 has 16 divisors (see below), whose sum is σ = 115844848847280. Its totient is φ = 30261511534848.

The previous prime is 61153471227403. The next prime is 61153471227463. The reversal of 61153471227448 is 84472217435116.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39403009036 + ... + 39403010587.

It is an arithmetic number, because the mean of its divisors is an integer number (7240303052955).

Almost surely, 2^{61153471227448} is an apocalyptic number.

It is an amenable number.

61153471227448 is a deficient number, since it is larger than the sum of its proper divisors (54691377619832).

61153471227448 is a wasteful number, since it uses less digits than its factorization.

61153471227448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78806019726 (or 78806019722 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The spelling of 61153471227448 in words is "sixty-one trillion, one hundred fifty-three billion, four hundred seventy-one million, two hundred twenty-seven thousand, four hundred forty-eight".