40631120100155 has 48 divisors (see below), whose sum is σ = 53695151424000. Its totient is φ = 29493835233408.

The previous prime is 40631120100091. The next prime is 40631120100157. The reversal of 40631120100155 is 55100102113604.

It is not a de Polignac number, because 40631120100155 - 2⁶ = 40631120100091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40631120100157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1104718556 + ... + 1104755334.

It is an arithmetic number, because the mean of its divisors is an integer number (1118648988000).

Almost surely, 2^{40631120100155} is an apocalyptic number.

40631120100155 is a deficient number, since it is larger than the sum of its proper divisors (13064031323845).

40631120100155 is a wasteful number, since it uses less digits than its factorization.

40631120100155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59028 (or 59015 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 40631120100155 its reverse (55100102113604), we get a palindrome (95731222213759).

The spelling of 40631120100155 in words is "forty trillion, six hundred thirty-one billion, one hundred twenty million, one hundred thousand, one hundred fifty-five".