60111631506778 has 8 divisors (see below), whose sum is σ = 90174548774772. Its totient is φ = 30053448581856.

The previous prime is 60111631506713. The next prime is 60111631506803. The reversal of 60111631506778 is 87760513611106.

It can be written as a sum of positive squares in 2 ways, for example, as 54810139071769 + 5301492435009 = 7403387^2 + 2302497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×60111631506778² (a number of 28 digits) contains 22 as substring.

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, 1183554025 + ... + 1183604812.

Almost surely, 2^{60111631506778} is an apocalyptic number.

60111631506778 is a deficient number, since it is larger than the sum of its proper divisors (30062917267994).

60111631506778 is a wasteful number, since it uses less digits than its factorization.

60111631506778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367171536.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 60111631506778 in words is "sixty trillion, one hundred eleven billion, six hundred thirty-one million, five hundred six thousand, seven hundred seventy-eight".