61009755134 has 4 divisors (see below), whose sum is σ = 91514632704. Its totient is φ = 30504877566.

The previous prime is 61009755109. The next prime is 61009755139. The reversal of 61009755134 is 43155790016.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 61009755091 and 61009755100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61009755139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15252438782 + ... + 15252438785.

It is an arithmetic number, because the mean of its divisors is an integer number (22878658176).

Almost surely, 2^61009755134 is an apocalyptic number.

61009755134 is a deficient number, since it is larger than the sum of its proper divisors (30504877570).

61009755134 is a wasteful number, since it uses less digits than its factorization.

61009755134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30504877569.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 61009755134 in words is "sixty-one billion, nine million, seven hundred fifty-five thousand, one hundred thirty-four".