1156098616426 has 32 divisors (see below), whose sum is σ = 1913779722960. Its totient is φ = 520490141184.

The previous prime is 1156098616411. The next prime is 1156098616481. The reversal of 1156098616426 is 6246168906511.

It can be written as a sum of positive squares in 8 ways, for example, as 740286439201 + 415812177225 = 860399^2 + 644835^2 .

It is a super-2 number, since 2×1156098616426² (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 15 ways as a sum of consecutive naturals, for example, 2186371 + ... + 2663158.

Almost surely, 2^{1156098616426} is an apocalyptic number.

1156098616426 is a deficient number, since it is larger than the sum of its proper divisors (757681106534).

1156098616426 is a wasteful number, since it uses less digits than its factorization.

1156098616426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849770.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 1156098616426 in words is "one trillion, one hundred fifty-six billion, ninety-eight million, six hundred sixteen thousand, four hundred twenty-six".