11070561615621 has 8 divisors (see below), whose sum is σ = 14760770877504. Its totient is φ = 7380363382080.

The previous prime is 11070561615611. The next prime is 11070561615683. The reversal of 11070561615621 is 12651616507011.

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

It is not a de Polignac number, because 11070561615621 - 2¹⁹ = 11070561091333 is a prime.

It is a super-2 number, since 2×11070561615621² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11070561615611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29265 + ... + 4705526.

It is an arithmetic number, because the mean of its divisors is an integer number (1845096359688).

Almost surely, 2^{11070561615621} is an apocalyptic number.

It is an amenable number.

11070561615621 is a deficient number, since it is larger than the sum of its proper divisors (3690209261883).

11070561615621 is an equidigital number, since it uses as much as digits as its factorization.

11070561615621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514171.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 11070561615621 in words is "eleven trillion, seventy billion, five hundred sixty-one million, six hundred fifteen thousand, six hundred twenty-one".