61265554362020 has 24 divisors (see below), whose sum is σ = 129596771203704. Its totient is φ = 24327344212736.

The previous prime is 61265554361981. The next prime is 61265554362029. The reversal of 61265554362020 is 2026345556216.

It can be written as a sum of positive squares in 4 ways, for example, as 3429407681956 + 57836146680064 = 1851866^2 + 7605008^2 .

It is not an unprimeable number, because it can be changed into a prime (61265554362029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11179842947 + ... + 11179848426.

It is an arithmetic number, because the mean of its divisors is an integer number (5399865466821).

Almost surely, 2^{61265554362020} is an apocalyptic number.

It is an amenable number.

61265554362020 is an abundant number, since it is smaller than the sum of its proper divisors (68331216841684).

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

61265554362020 is a wasteful number, since it uses less digits than its factorization.

61265554362020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22359691519 (or 22359691517 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 61265554362020 in words is "sixty-one trillion, two hundred sixty-five billion, five hundred fifty-four million, three hundred sixty-two thousand, twenty".