147553778615 has 16 divisors (see below), whose sum is σ = 177797336256. Its totient is φ = 117554976000.

The previous prime is 147553778591. The next prime is 147553778621. The reversal of 147553778615 is 516877355741.

It is not a de Polignac number, because 147553778615 - 2¹⁶ = 147553713079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2475665 + ... + 2534565.

It is an arithmetic number, because the mean of its divisors is an integer number (11112333516).

Almost surely, 2^147553778615 is an apocalyptic number.

147553778615 is a deficient number, since it is larger than the sum of its proper divisors (30243557641).

147553778615 is a wasteful number, since it uses less digits than its factorization.

147553778615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60970.

The product of its digits is 24696000, while the sum is 59.

The spelling of 147553778615 in words is "one hundred forty-seven billion, five hundred fifty-three million, seven hundred seventy-eight thousand, six hundred fifteen".