61051740652 has 24 divisors (see below), whose sum is σ = 128529981440. Its totient is φ = 24787924560.

The previous prime is 61051740643. The next prime is 61051740653. The reversal of 61051740652 is 25604715016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61051740653) 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, 57378924 + ... + 57379987.

Almost surely, 2^61051740652 is an apocalyptic number.

It is an amenable number.

61051740652 is an abundant number, since it is smaller than the sum of its proper divisors (67478240788).

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

61051740652 is a wasteful number, since it uses less digits than its factorization.

61051740652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114758941 (or 114758939 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 61051740652 in words is "sixty-one billion, fifty-one million, seven hundred forty thousand, six hundred fifty-two".