61754936512 has 14 divisors (see below), whose sum is σ = 122544952268. Its totient is φ = 30877468224.

The previous prime is 61754936479. The next prime is 61754936521. The reversal of 61754936512 is 21563945716.

It is a super-2 number, since 2×61754936512² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482460378 + ... + 482460505.

Almost surely, 2^61754936512 is an apocalyptic number.

It is an amenable number.

61754936512 is a deficient number, since it is larger than the sum of its proper divisors (60790015756).

61754936512 is an equidigital number, since it uses as much as digits as its factorization.

61754936512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964920895 (or 964920885 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The spelling of 61754936512 in words is "sixty-one billion, seven hundred fifty-four million, nine hundred thirty-six thousand, five hundred twelve".