1115150621656 has 8 divisors (see below), whose sum is σ = 2090907415620. Its totient is φ = 557575310824.

The previous prime is 1115150621633. The next prime is 1115150621657. The reversal of 1115150621656 is 6561260515111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115150621657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69696913846 + ... + 69696913861.

Almost surely, 2^{1115150621656} is an apocalyptic number.

It is an amenable number.

1115150621656 is a deficient number, since it is larger than the sum of its proper divisors (975756793964).

1115150621656 is a wasteful number, since it uses less digits than its factorization.

1115150621656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139393827713 (or 139393827709 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 40.

The spelling of 1115150621656 in words is "one trillion, one hundred fifteen billion, one hundred fifty million, six hundred twenty-one thousand, six hundred fifty-six".