61254688038 has 64 divisors (see below), whose sum is σ = 132348902400. Its totient is φ = 18842060160.

The previous prime is 61254688037. The next prime is 61254688123. The reversal of 61254688038 is 83088645216.

It is a happy number.

It is a super-3 number, since 3×61254688038³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61254688037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5713503 + ... + 5724213.

It is an arithmetic number, because the mean of its divisors is an integer number (2067951600).

Almost surely, 2^61254688038 is an apocalyptic number.

61254688038 is an abundant number, since it is smaller than the sum of its proper divisors (71094214362).

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

61254688038 is a wasteful number, since it uses less digits than its factorization.

61254688038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 61254688038 in words is "sixty-one billion, two hundred fifty-four million, six hundred eighty-eight thousand, thirty-eight".