1061460613778 has 8 divisors (see below), whose sum is σ = 1685849210172. Its totient is φ = 499510877056.

The previous prime is 1061460613747. The next prime is 1061460613781. The reversal of 1061460613778 is 8773160641601.

It can be written as a sum of positive squares in 2 ways, for example, as 1041650895769 + 19809718009 = 1020613^2 + 140747^2 .

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

It is a super-2 number, since 2×1061460613778² (a number of 25 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, 15609714875 + ... + 15609714942.

Almost surely, 2^{1061460613778} is an apocalyptic number.

1061460613778 is a deficient number, since it is larger than the sum of its proper divisors (624388596394).

1061460613778 is a wasteful number, since it uses less digits than its factorization.

1061460613778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31219429836.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 1061460613778 in words is "one trillion, sixty-one billion, four hundred sixty million, six hundred thirteen thousand, seven hundred seventy-eight".