40121412611 has 24 divisors (see below), whose sum is σ = 48381456816. Its totient is φ = 33147455040.

The previous prime is 40121412607. The next prime is 40121412629. The reversal of 40121412611 is 11621412104.

It is not a de Polignac number, because 40121412611 - 2² = 40121412607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40121412511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90581 + ... + 297401.

It is an arithmetic number, because the mean of its divisors is an integer number (2015894034).

Almost surely, 2^40121412611 is an apocalyptic number.

40121412611 is a deficient number, since it is larger than the sum of its proper divisors (8260044205).

40121412611 is a wasteful number, since it uses less digits than its factorization.

40121412611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206979 (or 206972 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 40121412611 its reverse (11621412104), we get a palindrome (51742824715).

The spelling of 40121412611 in words is "forty billion, one hundred twenty-one million, four hundred twelve thousand, six hundred eleven".