1055458363531 has 16 divisors (see below), whose sum is σ = 1256965083360. Its totient is φ = 873566449920.

The previous prime is 1055458363511. The next prime is 1055458363573. The reversal of 1055458363531 is 1353638545501.

It is a cyclic number.

It is not a de Polignac number, because 1055458363531 - 2⁵ = 1055458363499 is a prime.

It is a super-2 number, since 2×1055458363531² (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 (1055458363511) 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, 50543176 + ... + 50564053.

It is an arithmetic number, because the mean of its divisors is an integer number (78560317710).

Almost surely, 2^{1055458363531} is an apocalyptic number.

1055458363531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1055458363531 is a deficient number, since it is larger than the sum of its proper divisors (201506719829).

1055458363531 is a wasteful number, since it uses less digits than its factorization.

1055458363531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101107326.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 1055458363531 in words is "one trillion, fifty-five billion, four hundred fifty-eight million, three hundred sixty-three thousand, five hundred thirty-one".