1201354254015 has 48 divisors (see below), whose sum is σ = 2043893957280. Its totient is φ = 602439874560.

The previous prime is 1201354254007. The next prime is 1201354254047. The reversal of 1201354254015 is 5104524531021.

It is not a de Polignac number, because 1201354254015 - 2³ = 1201354254007 is a prime.

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, 4290321 + ... + 4561749.

It is an arithmetic number, because the mean of its divisors is an integer number (42581124110).

Almost surely, 2^{1201354254015} is an apocalyptic number.

1201354254015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201354254015 is a deficient number, since it is larger than the sum of its proper divisors (842539703265).

1201354254015 is a wasteful number, since it uses less digits than its factorization.

1201354254015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272492 (or 272475 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1201354254015 its reverse (5104524531021), we get a palindrome (6305878785036).

The spelling of 1201354254015 in words is "one trillion, two hundred one billion, three hundred fifty-four million, two hundred fifty-four thousand, fifteen".