61011695424 has 56 divisors (see below), whose sum is σ = 161482621408. Its totient is φ = 20330196480.

The previous prime is 61011695419. The next prime is 61011695449. The reversal of 61011695424 is 42459611016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516954 + ... + 623910.

Almost surely, 2^61011695424 is an apocalyptic number.

61011695424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61011695424 is an abundant number, since it is smaller than the sum of its proper divisors (100470925984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61011695424 is a wasteful number, since it uses less digits than its factorization.

61011695424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109943 (or 109933 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 61011695424 in words is "sixty-one billion, eleven million, six hundred ninety-five thousand, four hundred twenty-four".