61235343345 has 16 divisors (see below), whose sum is σ = 106883508672. Its totient is φ = 29689863360.

The previous prime is 61235343341. The next prime is 61235343373. The reversal of 61235343345 is 54334353216.

It is not a de Polignac number, because 61235343345 - 2² = 61235343341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61235343341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185561482 + ... + 185561811.

It is an arithmetic number, because the mean of its divisors is an integer number (6680219292).

Almost surely, 2^61235343345 is an apocalyptic number.

It is an amenable number.

61235343345 is a deficient number, since it is larger than the sum of its proper divisors (45648165327).

61235343345 is a wasteful number, since it uses less digits than its factorization.

61235343345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371123312.

The product of its digits is 388800, while the sum is 39.

The spelling of 61235343345 in words is "sixty-one billion, two hundred thirty-five million, three hundred forty-three thousand, three hundred forty-five".