15145967782970 has 32 divisors (see below), whose sum is σ = 28459110395520. Its totient is φ = 5792731764160.

The previous prime is 15145967782969. The next prime is 15145967782999. The reversal of 15145967782970 is 7928776954151.

It is a junction number, because it is equal to n+sod(n) for n = 15145967782894 and 15145967782903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12173801 + ... + 13360140.

It is an arithmetic number, because the mean of its divisors is an integer number (889347199860).

Almost surely, 2^{15145967782970} is an apocalyptic number.

15145967782970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15145967782970 is a deficient number, since it is larger than the sum of its proper divisors (13313142612550).

15145967782970 is a wasteful number, since it uses less digits than its factorization.

15145967782970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25536550.

The product of its (nonzero) digits is 266716800, while the sum is 71.

The spelling of 15145967782970 in words is "fifteen trillion, one hundred forty-five billion, nine hundred sixty-seven million, seven hundred eighty-two thousand, nine hundred seventy".