60851025505 has 4 divisors (see below), whose sum is σ = 73021230612. Its totient is φ = 48680820400.

The previous prime is 60851025497. The next prime is 60851025523. The reversal of 60851025505 is 50552015806.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50552015806 = 2 ⋅25276007903.

It can be written as a sum of positive squares in 2 ways, for example, as 30585812544 + 30265212961 = 174888^2 + 173969^2 .

It is not a de Polignac number, because 60851025505 - 2³ = 60851025497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6085102546 + ... + 6085102555.

It is an arithmetic number, because the mean of its divisors is an integer number (18255307653).

Almost surely, 2^60851025505 is an apocalyptic number.

It is an amenable number.

60851025505 is a deficient number, since it is larger than the sum of its proper divisors (12170205107).

60851025505 is a wasteful number, since it uses less digits than its factorization.

60851025505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12170205106.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 60851025505 in words is "sixty billion, eight hundred fifty-one million, twenty-five thousand, five hundred five".