61268042502 has 48 divisors (see below), whose sum is σ = 133628275872. Its totient is φ = 20287324800.

The previous prime is 61268042501. The next prime is 61268042519. The reversal of 61268042502 is 20524086216.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5408148 + ... + 5419464.

It is an arithmetic number, because the mean of its divisors is an integer number (2783922414).

Almost surely, 2^61268042502 is an apocalyptic number.

61268042502 is an abundant number, since it is smaller than the sum of its proper divisors (72360233370).

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

61268042502 is a wasteful number, since it uses less digits than its factorization.

61268042502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13293 (or 13290 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 61268042502 in words is "sixty-one billion, two hundred sixty-eight million, forty-two thousand, five hundred two".