61226902153 has 2 divisors, whose sum is σ = 61226902154. Its totient is φ = 61226902152.

The previous prime is 61226902147. The next prime is 61226902189. The reversal of 61226902153 is 35120962216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48667889664 + 12559012489 = 220608^2 + 112067^2 .

It is a cyclic number.

It is not a de Polignac number, because 61226902153 - 2¹³ = 61226893961 is a prime.

It is not a weakly prime, because it can be changed into another prime (61226902193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30613451076 + 30613451077.

It is an arithmetic number, because the mean of its divisors is an integer number (30613451077).

Almost surely, 2^61226902153 is an apocalyptic number.

It is an amenable number.

61226902153 is a deficient number, since it is larger than the sum of its proper divisors (1).

61226902153 is an equidigital number, since it uses as much as digits as its factorization.

61226902153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 61226902153 in words is "sixty-one billion, two hundred twenty-six million, nine hundred two thousand, one hundred fifty-three".