15143215020788 has 144 divisors (see below), whose sum is σ = 28613230128000. Its totient is φ = 7010343475200.

The previous prime is 15143215020749. The next prime is 15143215020793. The reversal of 15143215020788 is 88702051234151.

It is a happy number.

It is a super-2 number, since 2×15143215020788² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20491494923 + ... + 20491495661.

It is an arithmetic number, because the mean of its divisors is an integer number (198702987000).

Almost surely, 2^{15143215020788} is an apocalyptic number.

It is an amenable number.

15143215020788 is a deficient number, since it is larger than the sum of its proper divisors (13470015107212).

15143215020788 is a wasteful number, since it uses less digits than its factorization.

15143215020788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 15143215020788 in words is "fifteen trillion, one hundred forty-three billion, two hundred fifteen million, twenty thousand, seven hundred eighty-eight".