61146340631450 has 96 divisors (see below), whose sum is σ = 116997645681840. Its totient is φ = 23758479360000.

The previous prime is 61146340631437. The next prime is 61146340631477. The reversal of 61146340631450 is 5413604364116.

It can be written as a sum of positive squares in 24 ways, for example, as 847745574361 + 60298595057089 = 920731^2 + 7765217^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5822901200 + ... + 5822911700.

Almost surely, 2^{61146340631450} is an apocalyptic number.

61146340631450 is a deficient number, since it is larger than the sum of its proper divisors (55851305050390).

61146340631450 is a wasteful number, since it uses less digits than its factorization.

61146340631450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15412 (or 15407 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

Adding to 61146340631450 its reverse (5413604364116), we get a palindrome (66559944995566).

The spelling of 61146340631450 in words is "sixty-one trillion, one hundred forty-six billion, three hundred forty million, six hundred thirty-one thousand, four hundred fifty".