1070606531521 has 8 divisors (see below), whose sum is σ = 1089322752320. Its totient is φ = 1051970811408.

The previous prime is 1070606531461. The next prime is 1070606531563. The reversal of 1070606531521 is 1251356060701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1070606531521 is a prime.

It is a super-2 number, since 2×1070606531521² (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 (1070606231521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20098341 + ... + 20151538.

It is an arithmetic number, because the mean of its divisors is an integer number (136165344040).

Almost surely, 2^{1070606531521} is an apocalyptic number.

It is an amenable number.

1070606531521 is a deficient number, since it is larger than the sum of its proper divisors (18716220799).

1070606531521 is an equidigital number, since it uses as much as digits as its factorization.

1070606531521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40250343.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 1070606531521 in words is "one trillion, seventy billion, six hundred six million, five hundred thirty-one thousand, five hundred twenty-one".