61243426151122 has 32 divisors (see below), whose sum is σ = 93868357718448. Its totient is φ = 29957314523136.

The previous prime is 61243426151087. The next prime is 61243426151161. The reversal of 61243426151122 is 22115162434216.

It can be written as a sum of positive squares in 8 ways, for example, as 34321659023961 + 26921767127161 = 5858469^2 + 5188619^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203823878 + ... + 1203874750.

Almost surely, 2^{61243426151122} is an apocalyptic number.

61243426151122 is a deficient number, since it is larger than the sum of its proper divisors (32624931567326).

61243426151122 is a wasteful number, since it uses less digits than its factorization.

61243426151122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83454.

The product of its digits is 138240, while the sum is 40.

Adding to 61243426151122 its reverse (22115162434216), we get a palindrome (83358588585338).

The spelling of 61243426151122 in words is "sixty-one trillion, two hundred forty-three billion, four hundred twenty-six million, one hundred fifty-one thousand, one hundred twenty-two".