40556233111551 has 8 divisors (see below), whose sum is σ = 54726483235200. Its totient is φ = 26711735864472.

The previous prime is 40556233111487. The next prime is 40556233111631. The reversal of 40556233111551 is 15511133265504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40556233111551 - 2⁶ = 40556233111487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40556233111951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81438218851 + ... + 81438219348.

It is an arithmetic number, because the mean of its divisors is an integer number (6840810404400).

Almost surely, 2^{40556233111551} is an apocalyptic number.

40556233111551 is a deficient number, since it is larger than the sum of its proper divisors (14170250123649).

40556233111551 is a wasteful number, since it uses less digits than its factorization.

40556233111551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162876438285.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 40556233111551 in words is "forty trillion, five hundred fifty-six billion, two hundred thirty-three million, one hundred eleven thousand, five hundred fifty-one".