1055331011501 has 8 divisors (see below), whose sum is σ = 1137220217784. Its totient is φ = 973543219200.

The previous prime is 1055331011489. The next prime is 1055331011533. The reversal of 1055331011501 is 1051101335501.

It can be written as a sum of positive squares in 4 ways, for example, as 141337650601 + 913993360900 = 375949^2 + 956030^2 .

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-1055331011501 is a prime.

It is a super-2 number, since 2×1055331011501² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055331011561) 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, 25331876 + ... + 25373501.

It is an arithmetic number, because the mean of its divisors is an integer number (142152527223).

Almost surely, 2^{1055331011501} is an apocalyptic number.

It is an amenable number.

1055331011501 is a deficient number, since it is larger than the sum of its proper divisors (81889206283).

1055331011501 is a wasteful number, since it uses less digits than its factorization.

1055331011501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50706991.

The product of its (nonzero) digits is 1125, while the sum is 26.

The spelling of 1055331011501 in words is "one trillion, fifty-five billion, three hundred thirty-one million, eleven thousand, five hundred one".