40510155510001 has 4 divisors (see below), whose sum is σ = 40510168317504. Its totient is φ = 40510142702500.

The previous prime is 40510155509987. The next prime is 40510155510053. The reversal of 40510155510001 is 10001555101504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40510155510001 is a prime.

It is a super-2 number, since 2×40510155510001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40510155510401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143476 + ... + 9252826.

It is an arithmetic number, because the mean of its divisors is an integer number (10127542079376).

Almost surely, 2^{40510155510001} is an apocalyptic number.

It is an amenable number.

40510155510001 is a deficient number, since it is larger than the sum of its proper divisors (12807503).

40510155510001 is an equidigital number, since it uses as much as digits as its factorization.

40510155510001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807502.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 40510155510001 in words is "forty trillion, five hundred ten billion, one hundred fifty-five million, five hundred ten thousand, one".