71501276145 has 32 divisors (see below), whose sum is σ = 123217516800. Its totient is φ = 35196251904.

The previous prime is 71501276131. The next prime is 71501276153. The reversal of 71501276145 is 54167210517.

It is not a de Polignac number, because 71501276145 - 2¹³ = 71501267953 is a prime.

It is a super-2 number, since 2×71501276145² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2016076 + ... + 2051234.

It is an arithmetic number, because the mean of its divisors is an integer number (3850547400).

Almost surely, 2^71501276145 is an apocalyptic number.

It is an amenable number.

71501276145 is a deficient number, since it is larger than the sum of its proper divisors (51716240655).

71501276145 is a wasteful number, since it uses less digits than its factorization.

71501276145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45609.

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 71501276145 in words is "seventy-one billion, five hundred one million, two hundred seventy-six thousand, one hundred forty-five".