61262505120 has 48 divisors (see below), whose sum is σ = 192976892640. Its totient is φ = 16336667904.

The previous prime is 61262505091. The next prime is 61262505131. The reversal of 61262505120 is 2150526216.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63814630 + ... + 63815589.

It is an arithmetic number, because the mean of its divisors is an integer number (4020351930).

Almost surely, 2^61262505120 is an apocalyptic number.

61262505120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61262505120 is an abundant number, since it is smaller than the sum of its proper divisors (131714387520).

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

61262505120 is a wasteful number, since it uses less digits than its factorization.

61262505120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127630237 (or 127630229 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 61262505120 in words is "sixty-one billion, two hundred sixty-two million, five hundred five thousand, one hundred twenty".