61105943497252 has 6 divisors (see below), whose sum is σ = 106935401120198. Its totient is φ = 30552971748624.

The previous prime is 61105943497241. The next prime is 61105943497363. The reversal of 61105943497252 is 25279434950116.

It can be written as a sum of positive squares in only one way, i.e., 32779449411556 + 28326494085696 = 5725334^2 + 5322264^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7638242937153 + ... + 7638242937160.

Almost surely, 2^{61105943497252} is an apocalyptic number.

It is an amenable number.

61105943497252 is a deficient number, since it is larger than the sum of its proper divisors (45829457622946).

61105943497252 is a wasteful number, since it uses less digits than its factorization.

61105943497252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15276485874317 (or 15276485874315 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 61105943497252 in words is "sixty-one trillion, one hundred five billion, nine hundred forty-three million, four hundred ninety-seven thousand, two hundred fifty-two".