1156261386916 has 12 divisors (see below), whose sum is σ = 2038014675760. Its totient is φ = 573971479560.

The previous prime is 1156261386887. The next prime is 1156261387003. The reversal of 1156261386916 is 6196831626511.

It is a happy number.

It is a super-3 number, since 3×1156261386916³ (a number of 37 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 1039802850 + ... + 1039803961.

Almost surely, 2^{1156261386916} is an apocalyptic number.

It is an amenable number.

1156261386916 is a deficient number, since it is larger than the sum of its proper divisors (881753288844).

1156261386916 is a wasteful number, since it uses less digits than its factorization.

1156261386916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079606954 (or 2079606952 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The spelling of 1156261386916 in words is "one trillion, one hundred fifty-six billion, two hundred sixty-one million, three hundred eighty-six thousand, nine hundred sixteen".