1070155421537 has 8 divisors (see below), whose sum is σ = 1099247333352. Its totient is φ = 1041072393600.

The previous prime is 1070155421527. The next prime is 1070155421549. The reversal of 1070155421537 is 7351245510701.

It can be written as a sum of positive squares in 4 ways, for example, as 955719356881 + 114436064656 = 977609^2 + 338284^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1070155421537 - 2⁶ = 1070155421473 is a prime.

It is a super-2 number, since 2×1070155421537² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1070155421494 and 1070155421503.

It is not an unprimeable number, because it can be changed into a prime (1070155421527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976414 + ... + 2458967.

It is an arithmetic number, because the mean of its divisors is an integer number (137405916669).

Almost surely, 2^{1070155421537} is an apocalyptic number.

It is an amenable number.

1070155421537 is a deficient number, since it is larger than the sum of its proper divisors (29091911815).

1070155421537 is an equidigital number, since it uses as much as digits as its factorization.

1070155421537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441939.

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 1070155421537 in words is "one trillion, seventy billion, one hundred fifty-five million, four hundred twenty-one thousand, five hundred thirty-seven".