1115070670521 has 16 divisors (see below), whose sum is σ = 1655010094720. Its totient is φ = 742006351440.

The previous prime is 1115070670507. The next prime is 1115070670541. The reversal of 1115070670521 is 1250760705111.

It is a happy number.

1115070670521 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 0 + 70 + 67 + 0 + 521 = 666.

It is not a de Polignac number, because 1115070670521 - 2⁵ = 1115070670489 is a prime.

It is a super-2 number, since 2×1115070670521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115070670541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38154445 + ... + 38183658.

It is an arithmetic number, because the mean of its divisors is an integer number (103438130920).

Almost surely, 2^{1115070670521} is an apocalyptic number.

It is an amenable number.

1115070670521 is a deficient number, since it is larger than the sum of its proper divisors (539939424199).

1115070670521 is an equidigital number, since it uses as much as digits as its factorization.

1115070670521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76338653 (or 76338647 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 36.

The spelling of 1115070670521 in words is "one trillion, one hundred fifteen billion, seventy million, six hundred seventy thousand, five hundred twenty-one".