1051554535213 has 48 divisors (see below), whose sum is σ = 1333259815104. Its totient is φ = 821997469440.

The previous prime is 1051554535183. The next prime is 1051554535249. The reversal of 1051554535213 is 3125354551501.

It is a de Polignac number, because none of the positive numbers 2^k-1051554535213 is a prime.

It is a super-2 number, since 2×1051554535213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051554505213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18385206 + ... + 18442312.

It is an arithmetic number, because the mean of its divisors is an integer number (27776246148).

Almost surely, 2^{1051554535213} is an apocalyptic number.

1051554535213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1051554535213 is a deficient number, since it is larger than the sum of its proper divisors (281705279891).

1051554535213 is a wasteful number, since it uses less digits than its factorization.

1051554535213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57482 (or 57475 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 1051554535213 in words is "one trillion, fifty-one billion, five hundred fifty-four million, five hundred thirty-five thousand, two hundred thirteen".