1012533455511 has 40 divisors (see below), whose sum is σ = 1540550365200. Its totient is φ = 662635416960.

The previous prime is 1012533455477. The next prime is 1012533455561. The reversal of 1012533455511 is 1155543352101.

1012533455511 is a `hidden beast` number, since 1 + 0 + 1 + 253 + 345 + 55 + 11 = 666.

It is not a de Polignac number, because 1012533455511 - 2²² = 1012529261207 is a prime.

It is a super-2 number, since 2×1012533455511² (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 (1012533455561) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 496821 + ... + 1507281.

It is an arithmetic number, because the mean of its divisors is an integer number (38513759130).

Almost surely, 2^{1012533455511} is an apocalyptic number.

1012533455511 is a deficient number, since it is larger than the sum of its proper divisors (528016909689).

1012533455511 is a wasteful number, since it uses less digits than its factorization.

1012533455511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010701 (or 1010692 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 1012533455511 in words is "one trillion, twelve billion, five hundred thirty-three million, four hundred fifty-five thousand, five hundred eleven".