1043136236655 has 24 divisors (see below), whose sum is σ = 1811052454848. Its totient is φ = 555431743296.

The previous prime is 1043136236609. The next prime is 1043136236693. The reversal of 1043136236655 is 5566326313401.

1043136236655 is a `hidden beast` number, since 1 + 0 + 4 + 3 + 13 + 623 + 6 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 1043136236655 - 2⁸ = 1043136236399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1043136236655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18880087 + ... + 18935256.

It is an arithmetic number, because the mean of its divisors is an integer number (75460518952).

Almost surely, 2^{1043136236655} is an apocalyptic number.

1043136236655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1043136236655 is a deficient number, since it is larger than the sum of its proper divisors (767916218193).

1043136236655 is a wasteful number, since it uses less digits than its factorization.

1043136236655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37815967 (or 37815964 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 1043136236655 in words is "one trillion, forty-three billion, one hundred thirty-six million, two hundred thirty-six thousand, six hundred fifty-five".