79154151093119 has 4 divisors (see below), whose sum is σ = 79198544898096. Its totient is φ = 79109757288144.

The previous prime is 79154151093071. The next prime is 79154151093133. The reversal of 79154151093119 is 91139015145197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79154151093119 - 2¹⁶ = 79154151027583 is a prime.

It is a super-2 number, since 2×79154151093119² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79154151093319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22196899814 + ... + 22196903379.

It is an arithmetic number, because the mean of its divisors is an integer number (19799636224524).

Almost surely, 2^{79154151093119} is an apocalyptic number.

79154151093119 is a deficient number, since it is larger than the sum of its proper divisors (44393804977).

79154151093119 is a wasteful number, since it uses less digits than its factorization.

79154151093119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44393804976.

The product of its (nonzero) digits is 1530900, while the sum is 56.

The spelling of 79154151093119 in words is "seventy-nine trillion, one hundred fifty-four billion, one hundred fifty-one million, ninety-three thousand, one hundred nineteen".