40210115432551 has 4 divisors (see below), whose sum is σ = 40253869639600. Its totient is φ = 40166361225504.

The previous prime is 40210115432537. The next prime is 40210115432569. The reversal of 40210115432551 is 15523451101204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40210115432551 - 2⁷ = 40210115432423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40210115432581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21877102146 + ... + 21877103983.

It is an arithmetic number, because the mean of its divisors is an integer number (10063467409900).

Almost surely, 2^{40210115432551} is an apocalyptic number.

40210115432551 is a deficient number, since it is larger than the sum of its proper divisors (43754207049).

40210115432551 is an equidigital number, since it uses as much as digits as its factorization.

40210115432551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43754207048.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 40210115432551 its reverse (15523451101204), we get a palindrome (55733566533755).

The spelling of 40210115432551 in words is "forty trillion, two hundred ten billion, one hundred fifteen million, four hundred thirty-two thousand, five hundred fifty-one".