15036730621401 has 24 divisors (see below), whose sum is σ = 20436534306496. Its totient is φ = 9834315716160.

The previous prime is 15036730621399. The next prime is 15036730621417. The reversal of 15036730621401 is 10412603763051.

It is not a de Polignac number, because 15036730621401 - 2¹ = 15036730621399 is a prime.

It is a super-2 number, since 2×15036730621401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15036730621401.

It is not an unprimeable number, because it can be changed into a prime (15036730621421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84965316 + ... + 85142106.

Almost surely, 2^{15036730621401} is an apocalyptic number.

It is an amenable number.

15036730621401 is a deficient number, since it is larger than the sum of its proper divisors (5399803685095).

15036730621401 is a wasteful number, since it uses less digits than its factorization.

15036730621401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186993 (or 186940 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 15036730621401 in words is "fifteen trillion, thirty-six billion, seven hundred thirty million, six hundred twenty-one thousand, four hundred one".