61240772251052 has 12 divisors (see below), whose sum is σ = 110628491808576. Its totient is φ = 29632631734320.

The previous prime is 61240772251007. The next prime is 61240772251111. The reversal of 61240772251052 is 25015227704216.

It is a junction number, because it is equal to n+sod(n) for n = 61240772250994 and 61240772251012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246938597663 + ... + 246938597910.

It is an arithmetic number, because the mean of its divisors is an integer number (9219040984048).

Almost surely, 2^{61240772251052} is an apocalyptic number.

61240772251052 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61240772251052 is a deficient number, since it is larger than the sum of its proper divisors (49387719557524).

61240772251052 is a wasteful number, since it uses less digits than its factorization.

61240772251052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493877195608 (or 493877195606 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

Adding to 61240772251052 its reverse (25015227704216), we get a palindrome (86255999955268).

The spelling of 61240772251052 in words is "sixty-one trillion, two hundred forty billion, seven hundred seventy-two million, two hundred fifty-one thousand, fifty-two".