1421032140015 has 16 divisors (see below), whose sum is σ = 2273675066496. Its totient is φ = 757875927200.

The previous prime is 1421032140013. The next prime is 1421032140019. The reversal of 1421032140015 is 5100412301241.

It is not a de Polignac number, because 1421032140015 - 2¹ = 1421032140013 is a prime.

It is a super-2 number, since 2×1421032140015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421032140013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181620 + ... + 2058710.

It is an arithmetic number, because the mean of its divisors is an integer number (142104691656).

Almost surely, 2^{1421032140015} is an apocalyptic number.

1421032140015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421032140015 is a deficient number, since it is larger than the sum of its proper divisors (852642926481).

1421032140015 is a wasteful number, since it uses less digits than its factorization.

1421032140015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985110.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1421032140015 its reverse (5100412301241), we get a palindrome (6521444441256).

The spelling of 1421032140015 in words is "one trillion, four hundred twenty-one billion, thirty-two million, one hundred forty thousand, fifteen".