61141452402 has 32 divisors (see below), whose sum is σ = 126097201152. Its totient is φ = 19753188624.

The previous prime is 61141452373. The next prime is 61141452403. The reversal of 61141452402 is 20425414116.

It is a self number, because there is not a number n which added to its sum of digits gives 61141452402.

It is not an unprimeable number, because it can be changed into a prime (61141452403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023448 + ... + 1081539.

It is an arithmetic number, because the mean of its divisors is an integer number (3940537536).

Almost surely, 2^61141452402 is an apocalyptic number.

61141452402 is an abundant number, since it is smaller than the sum of its proper divisors (64955748750).

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

61141452402 is a wasteful number, since it uses less digits than its factorization.

61141452402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105142.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 61141452402 its reverse (20425414116), we get a palindrome (81566866518).

The spelling of 61141452402 in words is "sixty-one billion, one hundred forty-one million, four hundred fifty-two thousand, four hundred two".