40015512501253 has 2 divisors, whose sum is σ = 40015512501254. Its totient is φ = 40015512501252.

The previous prime is 40015512501247. The next prime is 40015512501259. The reversal of 40015512501253 is 35210521551004.

It is a balanced prime because it is at equal distance from previous prime (40015512501247) and next prime (40015512501259).

It can be written as a sum of positive squares in only one way, i.e., 39990357906849 + 25154594404 = 6323793^2 + 158602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40015512501253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40015512501259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007756250626 + 20007756250627.

It is an arithmetic number, because the mean of its divisors is an integer number (20007756250627).

Almost surely, 2^{40015512501253} is an apocalyptic number.

It is an amenable number.

40015512501253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015512501253 is an equidigital number, since it uses as much as digits as its factorization.

40015512501253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 40015512501253 in words is "forty trillion, fifteen billion, five hundred twelve million, five hundred one thousand, two hundred fifty-three".