11621211511413 has 64 divisors (see below), whose sum is σ = 18833046036480. Its totient is φ = 6226263936000.

The previous prime is 11621211511387. The next prime is 11621211511463. The reversal of 11621211511413 is 31411511212611.

11621211511413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11621211511413 - 2¹⁴ = 11621211495029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621211511463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97343028 + ... + 97462338.

It is an arithmetic number, because the mean of its divisors is an integer number (294266344320).

Almost surely, 2^{11621211511413} is an apocalyptic number.

It is an amenable number.

11621211511413 is a deficient number, since it is larger than the sum of its proper divisors (7211834525067).

11621211511413 is a wasteful number, since it uses less digits than its factorization.

11621211511413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121858.

The product of its digits is 1440, while the sum is 30.

The spelling of 11621211511413 in words is "eleven trillion, six hundred twenty-one billion, two hundred eleven million, five hundred eleven thousand, four hundred thirteen".