61013767425 has 24 divisors (see below), whose sum is σ = 108635796864. Its totient is φ = 30037546560.

The previous prime is 61013767403. The next prime is 61013767439. The reversal of 61013767425 is 52476731016.

It is a happy number.

It is not a de Polignac number, because 61013767425 - 2¹⁸ = 61013505281 is a prime.

It is a super-2 number, since 2×61013767425² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31288137 + ... + 31290086.

It is an arithmetic number, because the mean of its divisors is an integer number (4526491536).

Almost surely, 2^61013767425 is an apocalyptic number.

61013767425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61013767425 is a deficient number, since it is larger than the sum of its proper divisors (47622029439).

61013767425 is a wasteful number, since it uses less digits than its factorization.

61013767425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62578249 (or 62578244 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 61013767425 in words is "sixty-one billion, thirteen million, seven hundred sixty-seven thousand, four hundred twenty-five".