61268042506 has 16 divisors (see below), whose sum is σ = 102148436448. Its totient is φ = 27323654800.

The previous prime is 61268042501. The next prime is 61268042519. The reversal of 61268042506 is 60524086216.

It is not an unprimeable number, because it can be changed into a prime (61268042501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26271580 + ... + 26273911.

It is an arithmetic number, because the mean of its divisors is an integer number (6384277278).

Almost surely, 2^61268042506 is an apocalyptic number.

61268042506 is a deficient number, since it is larger than the sum of its proper divisors (40880393942).

61268042506 is a wasteful number, since it uses less digits than its factorization.

61268042506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52545557.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 61268042506 in words is "sixty-one billion, two hundred sixty-eight million, forty-two thousand, five hundred six".