40031155121512 has 8 divisors (see below), whose sum is σ = 75058415852850. Its totient is φ = 20015577560752.

The previous prime is 40031155121497. The next prime is 40031155121521. The reversal of 40031155121512 is 21512155113004.

It can be written as a sum of positive squares in only one way, i.e., 39815771880676 + 215383240836 = 6309974^2 + 464094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40031155121512² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501947195087 + ... + 2501947195102.

Almost surely, 2^{40031155121512} is an apocalyptic number.

It is an amenable number.

40031155121512 is a deficient number, since it is larger than the sum of its proper divisors (35027260731338).

40031155121512 is a wasteful number, since it uses less digits than its factorization.

40031155121512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003894390195 (or 5003894390191 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 40031155121512 in words is "forty trillion, thirty-one billion, one hundred fifty-five million, one hundred twenty-one thousand, five hundred twelve".