78151740075311 has 16 divisors (see below), whose sum is σ = 89781164725824. Its totient is φ = 66638554343424.

The previous prime is 78151740075289. The next prime is 78151740075313. The reversal of 78151740075311 is 11357004715187.

It is not a de Polignac number, because 78151740075311 - 2²⁶ = 78151672966447 is a prime.

It is a super-2 number, since 2×78151740075311² (a number of 29 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 78151740075311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78151740075313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58695125 + ... + 60011841.

It is an arithmetic number, because the mean of its divisors is an integer number (5611322795364).

Almost surely, 2^{78151740075311} is an apocalyptic number.

78151740075311 is a deficient number, since it is larger than the sum of its proper divisors (11629424650513).

78151740075311 is a wasteful number, since it uses less digits than its factorization.

78151740075311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360850.

The product of its (nonzero) digits is 823200, while the sum is 50.

The spelling of 78151740075311 in words is "seventy-eight trillion, one hundred fifty-one billion, seven hundred forty million, seventy-five thousand, three hundred eleven".