11913261501 has 8 divisors (see below), whose sum is σ = 15927631744. Its totient is φ = 7920532800.

The previous prime is 11913261487. The next prime is 11913261511. The reversal of 11913261501 is 10516231911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11913261501 - 2⁵ = 11913261469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11913261511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5409100 + ... + 5411301.

It is an arithmetic number, because the mean of its divisors is an integer number (1990953968).

Almost surely, 2^11913261501 is an apocalyptic number.

It is an amenable number.

11913261501 is a deficient number, since it is larger than the sum of its proper divisors (4014370243).

11913261501 is a wasteful number, since it uses less digits than its factorization.

11913261501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10820771.

The product of its (nonzero) digits is 1620, while the sum is 30.

The spelling of 11913261501 in words is "eleven billion, nine hundred thirteen million, two hundred sixty-one thousand, five hundred one".