61501346356 has 12 divisors (see below), whose sum is σ = 107797926880. Its totient is φ = 30701938680.

The previous prime is 61501346353. The next prime is 61501346383. The reversal of 61501346356 is 65364310516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61501346353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12180786 + ... + 12185833.

Almost surely, 2^61501346356 is an apocalyptic number.

It is an amenable number.

61501346356 is a deficient number, since it is larger than the sum of its proper divisors (46296580524).

61501346356 is a wasteful number, since it uses less digits than its factorization.

61501346356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24367254 (or 24367252 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 61501346356 in words is "sixty-one billion, five hundred one million, three hundred forty-six thousand, three hundred fifty-six".